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Finding the Fourth Proportional to 530,800.02, 795,639.15 and 361,901.66

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Solution

The fourth proportional to 530,800.02, 795,639.15 and 361,901.66 is: 542,470.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,800.02 : 795,639.15 = 361,901.66 : x
  2. Step 2: Convert to fraction form
    530,800.02/795,639.15 = 361,901.66/x
  3. Step 3: Cross multiply
    530,800.02x = 795,639.15 × 361,901.66
  4. Step 4: Simplify right side
    530,800.02x = 287,943,125,167.79
  5. Step 5: Solve for x
    x = 287,943,125,167.79/530,800.02
  6. Step 6: Final answer
    x = 542,470.07

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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.