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Finding the Fourth Proportional to 708,184.20, 978,537.42 and 566,116.68

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Solution

The fourth proportional to 708,184.20, 978,537.42 and 566,116.68 is: 782,234.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,184.20 : 978,537.42 = 566,116.68 : x
  2. Step 2: Convert to fraction form
    708,184.20/978,537.42 = 566,116.68/x
  3. Step 3: Cross multiply
    708,184.20x = 978,537.42 × 566,116.68
  4. Step 4: Simplify right side
    708,184.20x = 553,966,355,466.17
  5. Step 5: Solve for x
    x = 553,966,355,466.17/708,184.20
  6. Step 6: Final answer
    x = 782,234.84

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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.