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Finding the Fourth Proportional to 880,793.10, 1,321,189.65 and 460,014.30

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Solution

The fourth proportional to 880,793.10, 1,321,189.65 and 460,014.30 is: 690,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,793.10 : 1,321,189.65 = 460,014.30 : x
  2. Step 2: Convert to fraction form
    880,793.10/1,321,189.65 = 460,014.30/x
  3. Step 3: Cross multiply
    880,793.10x = 1,321,189.65 × 460,014.30
  4. Step 4: Simplify right side
    880,793.10x = 607,766,132,012.00
  5. Step 5: Solve for x
    x = 607,766,132,012.00/880,793.10
  6. Step 6: Final answer
    x = 690,021.45

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Double scale
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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.