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Finding the Fourth Proportional to 632,187.80, 945,948.90 and 576,200.60

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Solution

The fourth proportional to 632,187.80, 945,948.90 and 576,200.60 is: 862,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,187.80 : 945,948.90 = 576,200.60 : x
  2. Step 2: Convert to fraction form
    632,187.80/945,948.90 = 576,200.60/x
  3. Step 3: Cross multiply
    632,187.80x = 945,948.90 × 576,200.60
  4. Step 4: Simplify right side
    632,187.80x = 545,056,323,749.34
  5. Step 5: Solve for x
    x = 545,056,323,749.34/632,187.80
  6. Step 6: Final answer
    x = 862,174.70

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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.