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Finding the Fourth Proportional to 486,548.76, 671,753.22 and 435,472.92

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Solution

The fourth proportional to 486,548.76, 671,753.22 and 435,472.92 is: 601,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,548.76 : 671,753.22 = 435,472.92 : x
  2. Step 2: Convert to fraction form
    486,548.76/671,753.22 = 435,472.92/x
  3. Step 3: Cross multiply
    486,548.76x = 671,753.22 × 435,472.92
  4. Step 4: Simplify right side
    486,548.76x = 292,530,336,232.80
  5. Step 5: Solve for x
    x = 292,530,336,232.80/486,548.76
  6. Step 6: Final answer
    x = 601,235.40

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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.