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Finding the Fourth Proportional to 539,653.96, 744,718.50 and 297,936.52

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Solution

The fourth proportional to 539,653.96, 744,718.50 and 297,936.52 is: 411,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,653.96 : 744,718.50 = 297,936.52 : x
  2. Step 2: Convert to fraction form
    539,653.96/744,718.50 = 297,936.52/x
  3. Step 3: Cross multiply
    539,653.96x = 744,718.50 × 297,936.52
  4. Step 4: Simplify right side
    539,653.96x = 221,878,838,269.62
  5. Step 5: Solve for x
    x = 221,878,838,269.62/539,653.96
  6. Step 6: Final answer
    x = 411,150.21

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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.