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Finding the Fourth Proportional to 586,285.20, 807,967.82 and 469,866.44

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Solution

The fourth proportional to 586,285.20, 807,967.82 and 469,866.44 is: 647,529.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,285.20 : 807,967.82 = 469,866.44 : x
  2. Step 2: Convert to fraction form
    586,285.20/807,967.82 = 469,866.44/x
  3. Step 3: Cross multiply
    586,285.20x = 807,967.82 × 469,866.44
  4. Step 4: Simplify right side
    586,285.20x = 379,636,963,217.96
  5. Step 5: Solve for x
    x = 379,636,963,217.96/586,285.20
  6. Step 6: Final answer
    x = 647,529.50

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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.