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Finding the Fourth Proportional to 400,486.74, 600,535.68 and 151,188.18

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Solution

The fourth proportional to 400,486.74, 600,535.68 and 151,188.18 is: 226,708.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,486.74 : 600,535.68 = 151,188.18 : x
  2. Step 2: Convert to fraction form
    400,486.74/600,535.68 = 151,188.18/x
  3. Step 3: Cross multiply
    400,486.74x = 600,535.68 × 151,188.18
  4. Step 4: Simplify right side
    400,486.74x = 90,793,896,484.26
  5. Step 5: Solve for x
    x = 90,793,896,484.26/400,486.74
  6. Step 6: Final answer
    x = 226,708.87

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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.