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Finding the Fourth Proportional to 636,310.20, 954,443.28 and 163,000.20

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Solution

The fourth proportional to 636,310.20, 954,443.28 and 163,000.20 is: 244,494.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,310.20 : 954,443.28 = 163,000.20 : x
  2. Step 2: Convert to fraction form
    636,310.20/954,443.28 = 163,000.20/x
  3. Step 3: Cross multiply
    636,310.20x = 954,443.28 × 163,000.20
  4. Step 4: Simplify right side
    636,310.20x = 155,574,445,528.66
  5. Step 5: Solve for x
    x = 155,574,445,528.66/636,310.20
  6. Step 6: Final answer
    x = 244,494.66

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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.