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Finding the Fourth Proportional to 443,347.16, 611,823.12 and 252,372.92

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Solution

The fourth proportional to 443,347.16, 611,823.12 and 252,372.92 is: 348,276.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,347.16 : 611,823.12 = 252,372.92 : x
  2. Step 2: Convert to fraction form
    443,347.16/611,823.12 = 252,372.92/x
  3. Step 3: Cross multiply
    443,347.16x = 611,823.12 × 252,372.92
  4. Step 4: Simplify right side
    443,347.16x = 154,407,587,317.91
  5. Step 5: Solve for x
    x = 154,407,587,317.91/443,347.16
  6. Step 6: Final answer
    x = 348,276.93

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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.