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Finding the Fourth Proportional to 524,892.01, 724,122.82 and 320,951.43

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Solution

The fourth proportional to 524,892.01, 724,122.82 and 320,951.43 is: 442,773.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,892.01 : 724,122.82 = 320,951.43 : x
  2. Step 2: Convert to fraction form
    524,892.01/724,122.82 = 320,951.43/x
  3. Step 3: Cross multiply
    524,892.01x = 724,122.82 × 320,951.43
  4. Step 4: Simplify right side
    524,892.01x = 232,408,250,954.02
  5. Step 5: Solve for x
    x = 232,408,250,954.02/524,892.01
  6. Step 6: Final answer
    x = 442,773.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.