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Finding the Fourth Proportional to 332,281.90, 498,422.85 and 243,052.30

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Solution

The fourth proportional to 332,281.90, 498,422.85 and 243,052.30 is: 364,578.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,281.90 : 498,422.85 = 243,052.30 : x
  2. Step 2: Convert to fraction form
    332,281.90/498,422.85 = 243,052.30/x
  3. Step 3: Cross multiply
    332,281.90x = 498,422.85 × 243,052.30
  4. Step 4: Simplify right side
    332,281.90x = 121,142,820,065.06
  5. Step 5: Solve for x
    x = 121,142,820,065.06/332,281.90
  6. Step 6: Final answer
    x = 364,578.45

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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.