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Finding the Fourth Proportional to 629,454.87, 944,842.72 and 557,866.03

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Solution

The fourth proportional to 629,454.87, 944,842.72 and 557,866.03 is: 837,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,454.87 : 944,842.72 = 557,866.03 : x
  2. Step 2: Convert to fraction form
    629,454.87/944,842.72 = 557,866.03/x
  3. Step 3: Cross multiply
    629,454.87x = 944,842.72 × 557,866.03
  4. Step 4: Simplify right side
    629,454.87x = 527,095,656,703.65
  5. Step 5: Solve for x
    x = 527,095,656,703.65/629,454.87
  6. Step 6: Final answer
    x = 837,384.35

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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.