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Finding the Fourth Proportional to 514,995.66, 710,702.52 and 285,562.62

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Solution

The fourth proportional to 514,995.66, 710,702.52 and 285,562.62 is: 394,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,995.66 : 710,702.52 = 285,562.62 : x
  2. Step 2: Convert to fraction form
    514,995.66/710,702.52 = 285,562.62/x
  3. Step 3: Cross multiply
    514,995.66x = 710,702.52 × 285,562.62
  4. Step 4: Simplify right side
    514,995.66x = 202,950,073,651.80
  5. Step 5: Solve for x
    x = 202,950,073,651.80/514,995.66
  6. Step 6: Final answer
    x = 394,081.13

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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.