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Finding the Fourth Proportional to 536,429.31, 740,285.49 and 294,727.53

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Solution

The fourth proportional to 536,429.31, 740,285.49 and 294,727.53 is: 406,731.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,429.31 : 740,285.49 = 294,727.53 : x
  2. Step 2: Convert to fraction form
    536,429.31/740,285.49 = 294,727.53/x
  3. Step 3: Cross multiply
    536,429.31x = 740,285.49 × 294,727.53
  4. Step 4: Simplify right side
    536,429.31x = 218,182,513,962.54
  5. Step 5: Solve for x
    x = 218,182,513,962.54/536,429.31
  6. Step 6: Final answer
    x = 406,731.16

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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.