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Finding the Fourth Proportional to 755,627, 1,042,772.55 and 416,102.54

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Solution

The fourth proportional to 755,627, 1,042,772.55 and 416,102.54 is: 574,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,627 : 1,042,772.55 = 416,102.54 : x
  2. Step 2: Convert to fraction form
    755,627/1,042,772.55 = 416,102.54/x
  3. Step 3: Cross multiply
    755,627x = 1,042,772.55 × 416,102.54
  4. Step 4: Simplify right side
    755,627x = 433,900,306,697.28
  5. Step 5: Solve for x
    x = 433,900,306,697.28/755,627
  6. Step 6: Final answer
    x = 574,225.52

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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.