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Finding the Fourth Proportional to 407,960.08, 611,728.92 and 183,126.89

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Solution

The fourth proportional to 407,960.08, 611,728.92 and 183,126.89 is: 274,595.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,960.08 : 611,728.92 = 183,126.89 : x
  2. Step 2: Convert to fraction form
    407,960.08/611,728.92 = 183,126.89/x
  3. Step 3: Cross multiply
    407,960.08x = 611,728.92 × 183,126.89
  4. Step 4: Simplify right side
    407,960.08x = 112,024,016,171.98
  5. Step 5: Solve for x
    x = 112,024,016,171.98/407,960.08
  6. Step 6: Final answer
    x = 274,595.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.