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Finding the Fourth Proportional to 493,279.92, 680,728.10 and 266,925.42

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Solution

The fourth proportional to 493,279.92, 680,728.10 and 266,925.42 is: 368,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,279.92 : 680,728.10 = 266,925.42 : x
  2. Step 2: Convert to fraction form
    493,279.92/680,728.10 = 266,925.42/x
  3. Step 3: Cross multiply
    493,279.92x = 680,728.10 × 266,925.42
  4. Step 4: Simplify right side
    493,279.92x = 181,703,632,663.68
  5. Step 5: Solve for x
    x = 181,703,632,663.68/493,279.92
  6. Step 6: Final answer
    x = 368,358.06

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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.