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Finding the Fourth Proportional to 518,390.02, 715,511.73 and 337,553.38

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Solution

The fourth proportional to 518,390.02, 715,511.73 and 337,553.38 is: 465,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,390.02 : 715,511.73 = 337,553.38 : x
  2. Step 2: Convert to fraction form
    518,390.02/715,511.73 = 337,553.38/x
  3. Step 3: Cross multiply
    518,390.02x = 715,511.73 × 337,553.38
  4. Step 4: Simplify right side
    518,390.02x = 241,523,402,891.15
  5. Step 5: Solve for x
    x = 241,523,402,891.15/518,390.02
  6. Step 6: Final answer
    x = 465,910.60

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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.