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Finding the Fourth Proportional to 464,511.60, 696,767.40 and 149,000.40

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Solution

The fourth proportional to 464,511.60, 696,767.40 and 149,000.40 is: 223,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,511.60 : 696,767.40 = 149,000.40 : x
  2. Step 2: Convert to fraction form
    464,511.60/696,767.40 = 149,000.40/x
  3. Step 3: Cross multiply
    464,511.60x = 696,767.40 × 149,000.40
  4. Step 4: Simplify right side
    464,511.60x = 103,818,621,306.96
  5. Step 5: Solve for x
    x = 103,818,621,306.96/464,511.60
  6. Step 6: Final answer
    x = 223,500.60

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Similar ratio
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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.