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Finding the Fourth Proportional to 463,511.80, 695,267.70 and 148,000.60

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Solution

The fourth proportional to 463,511.80, 695,267.70 and 148,000.60 is: 222,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,511.80 : 695,267.70 = 148,000.60 : x
  2. Step 2: Convert to fraction form
    463,511.80/695,267.70 = 148,000.60/x
  3. Step 3: Cross multiply
    463,511.80x = 695,267.70 × 148,000.60
  4. Step 4: Simplify right side
    463,511.80x = 102,900,036,760.62
  5. Step 5: Solve for x
    x = 102,900,036,760.62/463,511.80
  6. Step 6: Final answer
    x = 222,000.90

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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.