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Finding the Fourth Proportional to 539,869.52, 808,915.71 and 184,689.38

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Solution

The fourth proportional to 539,869.52, 808,915.71 and 184,689.38 is: 276,730.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,869.52 : 808,915.71 = 184,689.38 : x
  2. Step 2: Convert to fraction form
    539,869.52/808,915.71 = 184,689.38/x
  3. Step 3: Cross multiply
    539,869.52x = 808,915.71 × 184,689.38
  4. Step 4: Simplify right side
    539,869.52x = 149,398,140,952.16
  5. Step 5: Solve for x
    x = 149,398,140,952.16/539,869.52
  6. Step 6: Final answer
    x = 276,730.09

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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.