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Finding the Fourth Proportional to 474,437.92, 654,633.36 and 270,484.96

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Solution

The fourth proportional to 474,437.92, 654,633.36 and 270,484.96 is: 373,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,437.92 : 654,633.36 = 270,484.96 : x
  2. Step 2: Convert to fraction form
    474,437.92/654,633.36 = 270,484.96/x
  3. Step 3: Cross multiply
    474,437.92x = 654,633.36 × 270,484.96
  4. Step 4: Simplify right side
    474,437.92x = 177,068,478,194.27
  5. Step 5: Solve for x
    x = 177,068,478,194.27/474,437.92
  6. Step 6: Final answer
    x = 373,217.38

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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.