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Finding the Fourth Proportional to 417,936.60, 627,002.28 and 332,869.32

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Solution

The fourth proportional to 417,936.60, 627,002.28 and 332,869.32 is: 499,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,936.60 : 627,002.28 = 332,869.32 : x
  2. Step 2: Convert to fraction form
    417,936.60/627,002.28 = 332,869.32/x
  3. Step 3: Cross multiply
    417,936.60x = 627,002.28 × 332,869.32
  4. Step 4: Simplify right side
    417,936.60x = 208,709,822,582.05
  5. Step 5: Solve for x
    x = 208,709,822,582.05/417,936.60
  6. Step 6: Final answer
    x = 499,381.54

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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.