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Finding the Fourth Proportional to 656,057.20, 982,530.60 and 656,057.20

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Solution

The fourth proportional to 656,057.20, 982,530.60 and 656,057.20 is: 982,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,057.20 : 982,530.60 = 656,057.20 : x
  2. Step 2: Convert to fraction form
    656,057.20/982,530.60 = 656,057.20/x
  3. Step 3: Cross multiply
    656,057.20x = 982,530.60 × 656,057.20
  4. Step 4: Simplify right side
    656,057.20x = 644,596,274,350.32
  5. Step 5: Solve for x
    x = 644,596,274,350.32/656,057.20
  6. Step 6: Final answer
    x = 982,530.60

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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.