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Finding the Fourth Proportional to 608,967,553.65, 913,451,330.48 and 608,967,553.65

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Solution

The fourth proportional to 608,967,553.65, 913,451,330.48 and 608,967,553.65 is: 913,451,330.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,967,553.65 : 913,451,330.48 = 608,967,553.65 : x
  2. Step 2: Convert to fraction form
    608,967,553.65/913,451,330.48 = 608,967,553.65/x
  3. Step 3: Cross multiply
    608,967,553.65x = 913,451,330.48 × 608,967,553.65
  4. Step 4: Simplify right side
    608,967,553.65x = 556,262,222,097,698,432
  5. Step 5: Solve for x
    x = 556,262,222,097,698,432/608,967,553.65
  6. Step 6: Final answer
    x = 913,451,330.48

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.