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Finding the Fourth Proportional to 453,123.52, 679,766.88 and 369,624

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Solution

The fourth proportional to 453,123.52, 679,766.88 and 369,624 is: 554,502.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,123.52 : 679,766.88 = 369,624 : x
  2. Step 2: Convert to fraction form
    453,123.52/679,766.88 = 369,624/x
  3. Step 3: Cross multiply
    453,123.52x = 679,766.88 × 369,624
  4. Step 4: Simplify right side
    453,123.52x = 251,258,153,253.12
  5. Step 5: Solve for x
    x = 251,258,153,253.12/453,123.52
  6. Step 6: Final answer
    x = 554,502.56

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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.