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Finding the Fourth Proportional to 407,527.92, 562,390.50 and 254,654.90

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Solution

The fourth proportional to 407,527.92, 562,390.50 and 254,654.90 is: 351,424.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,527.92 : 562,390.50 = 254,654.90 : x
  2. Step 2: Convert to fraction form
    407,527.92/562,390.50 = 254,654.90/x
  3. Step 3: Cross multiply
    407,527.92x = 562,390.50 × 254,654.90
  4. Step 4: Simplify right side
    407,527.92x = 143,215,496,790.42
  5. Step 5: Solve for x
    x = 143,215,496,790.42/407,527.92
  6. Step 6: Final answer
    x = 351,424.99

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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.