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Finding the Fourth Proportional to 363,374.35, 545,061.53 and 284,555.95

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Solution

The fourth proportional to 363,374.35, 545,061.53 and 284,555.95 is: 426,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,374.35 : 545,061.53 = 284,555.95 : x
  2. Step 2: Convert to fraction form
    363,374.35/545,061.53 = 284,555.95/x
  3. Step 3: Cross multiply
    363,374.35x = 545,061.53 × 284,555.95
  4. Step 4: Simplify right side
    363,374.35x = 155,100,500,054.82
  5. Step 5: Solve for x
    x = 155,100,500,054.82/363,374.35
  6. Step 6: Final answer
    x = 426,833.93

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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.