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Finding the Fourth Proportional to 608,234.10, 912,351.15 and 158,954.10

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Solution

The fourth proportional to 608,234.10, 912,351.15 and 158,954.10 is: 238,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,234.10 : 912,351.15 = 158,954.10 : x
  2. Step 2: Convert to fraction form
    608,234.10/912,351.15 = 158,954.10/x
  3. Step 3: Cross multiply
    608,234.10x = 912,351.15 × 158,954.10
  4. Step 4: Simplify right side
    608,234.10x = 145,021,955,932.22
  5. Step 5: Solve for x
    x = 145,021,955,932.22/608,234.10
  6. Step 6: Final answer
    x = 238,431.15

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Double scale
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Similar ratio
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1.5x scale

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.