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Finding the Fourth Proportional to 610,234.63, 915,016.60 and 484,678.96

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Solution

The fourth proportional to 610,234.63, 915,016.60 and 484,678.96 is: 726,752.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,234.63 : 915,016.60 = 484,678.96 : x
  2. Step 2: Convert to fraction form
    610,234.63/915,016.60 = 484,678.96/x
  3. Step 3: Cross multiply
    610,234.63x = 915,016.60 × 484,678.96
  4. Step 4: Simplify right side
    610,234.63x = 443,489,292,389.04
  5. Step 5: Solve for x
    x = 443,489,292,389.04/610,234.63
  6. Step 6: Final answer
    x = 726,752.09

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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.