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Finding the Fourth Proportional to 514,772.62, 710,145.93 and 323,891.26

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Solution

The fourth proportional to 514,772.62, 710,145.93 and 323,891.26 is: 446,818.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,772.62 : 710,145.93 = 323,891.26 : x
  2. Step 2: Convert to fraction form
    514,772.62/710,145.93 = 323,891.26/x
  3. Step 3: Cross multiply
    514,772.62x = 710,145.93 × 323,891.26
  4. Step 4: Simplify right side
    514,772.62x = 230,010,059,490.80
  5. Step 5: Solve for x
    x = 230,010,059,490.80/514,772.62
  6. Step 6: Final answer
    x = 446,818.75

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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.