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Finding the Fourth Proportional to 363,759.66, 544,916.16 and 284,502.78

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Solution

The fourth proportional to 363,759.66, 544,916.16 and 284,502.78 is: 426,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,759.66 : 544,916.16 = 284,502.78 : x
  2. Step 2: Convert to fraction form
    363,759.66/544,916.16 = 284,502.78/x
  3. Step 3: Cross multiply
    363,759.66x = 544,916.16 × 284,502.78
  4. Step 4: Simplify right side
    363,759.66x = 155,030,162,386.93
  5. Step 5: Solve for x
    x = 155,030,162,386.93/363,759.66
  6. Step 6: Final answer
    x = 426,188.44

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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.