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Finding the Fourth Proportional to 542,306.37, 747,994.19 and 358,331.85

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Solution

The fourth proportional to 542,306.37, 747,994.19 and 358,331.85 is: 494,241.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,306.37 : 747,994.19 = 358,331.85 : x
  2. Step 2: Convert to fraction form
    542,306.37/747,994.19 = 358,331.85/x
  3. Step 3: Cross multiply
    542,306.37x = 747,994.19 × 358,331.85
  4. Step 4: Simplify right side
    542,306.37x = 268,030,140,100.29
  5. Step 5: Solve for x
    x = 268,030,140,100.29/542,306.37
  6. Step 6: Final answer
    x = 494,241.18

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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.