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Finding the Fourth Proportional to 477,149.91, 658,475.06 and 262,299.03

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Solution

The fourth proportional to 477,149.91, 658,475.06 and 262,299.03 is: 361,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,149.91 : 658,475.06 = 262,299.03 : x
  2. Step 2: Convert to fraction form
    477,149.91/658,475.06 = 262,299.03/x
  3. Step 3: Cross multiply
    477,149.91x = 658,475.06 × 262,299.03
  4. Step 4: Simplify right side
    477,149.91x = 172,717,369,517.19
  5. Step 5: Solve for x
    x = 172,717,369,517.19/477,149.91
  6. Step 6: Final answer
    x = 361,977.16

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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.