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Finding the Fourth Proportional to 623,598.30, 935,672.85 and 303,572.70

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Solution

The fourth proportional to 623,598.30, 935,672.85 and 303,572.70 is: 455,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,598.30 : 935,672.85 = 303,572.70 : x
  2. Step 2: Convert to fraction form
    623,598.30/935,672.85 = 303,572.70/x
  3. Step 3: Cross multiply
    623,598.30x = 935,672.85 × 303,572.70
  4. Step 4: Simplify right side
    623,598.30x = 284,044,733,391.20
  5. Step 5: Solve for x
    x = 284,044,733,391.20/623,598.30
  6. Step 6: Final answer
    x = 455,493.12

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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.