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Finding the Fourth Proportional to 302,432.68, 453,677.28 and 89,200.80

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Solution

The fourth proportional to 302,432.68, 453,677.28 and 89,200.80 is: 133,809.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,432.68 : 453,677.28 = 89,200.80 : x
  2. Step 2: Convert to fraction form
    302,432.68/453,677.28 = 89,200.80/x
  3. Step 3: Cross multiply
    302,432.68x = 453,677.28 × 89,200.80
  4. Step 4: Simplify right side
    302,432.68x = 40,468,376,317.82
  5. Step 5: Solve for x
    x = 40,468,376,317.82/302,432.68
  6. Step 6: Final answer
    x = 133,809.54

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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.