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Finding the Fourth Proportional to 555,490.49, 766,365.50 and 410,644.04

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Solution

The fourth proportional to 555,490.49, 766,365.50 and 410,644.04 is: 566,532.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,490.49 : 766,365.50 = 410,644.04 : x
  2. Step 2: Convert to fraction form
    555,490.49/766,365.50 = 410,644.04/x
  3. Step 3: Cross multiply
    555,490.49x = 766,365.50 × 410,644.04
  4. Step 4: Simplify right side
    555,490.49x = 314,703,419,151.57
  5. Step 5: Solve for x
    x = 314,703,419,151.57/555,490.49
  6. Step 6: Final answer
    x = 566,532.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.