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Finding the Fourth Proportional to 465,510.80, 698,266.20 and 149,999.60

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Solution

The fourth proportional to 465,510.80, 698,266.20 and 149,999.60 is: 224,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,510.80 : 698,266.20 = 149,999.60 : x
  2. Step 2: Convert to fraction form
    465,510.80/698,266.20 = 149,999.60/x
  3. Step 3: Cross multiply
    465,510.80x = 698,266.20 × 149,999.60
  4. Step 4: Simplify right side
    465,510.80x = 104,739,650,693.52
  5. Step 5: Solve for x
    x = 104,739,650,693.52/465,510.80
  6. Step 6: Final answer
    x = 224,999.40

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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.