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Finding the Fourth Proportional to 487,851.90, 730,793.70 and 487,851.90

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Solution

The fourth proportional to 487,851.90, 730,793.70 and 487,851.90 is: 730,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,851.90 : 730,793.70 = 487,851.90 : x
  2. Step 2: Convert to fraction form
    487,851.90/730,793.70 = 487,851.90/x
  3. Step 3: Cross multiply
    487,851.90x = 730,793.70 × 487,851.90
  4. Step 4: Simplify right side
    487,851.90x = 356,519,095,053.03
  5. Step 5: Solve for x
    x = 356,519,095,053.03/487,851.90
  6. Step 6: Final answer
    x = 730,793.70

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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.