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Finding the Fourth Proportional to 443,748.76, 612,304.86 and 252,737.80

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Solution

The fourth proportional to 443,748.76, 612,304.86 and 252,737.80 is: 348,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,748.76 : 612,304.86 = 252,737.80 : x
  2. Step 2: Convert to fraction form
    443,748.76/612,304.86 = 252,737.80/x
  3. Step 3: Cross multiply
    443,748.76x = 612,304.86 × 252,737.80
  4. Step 4: Simplify right side
    443,748.76x = 154,752,583,245.71
  5. Step 5: Solve for x
    x = 154,752,583,245.71/443,748.76
  6. Step 6: Final answer
    x = 348,739.19

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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.