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Finding the Fourth Proportional to 656,117.60, 982,426.80 and 656,117.60

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Solution

The fourth proportional to 656,117.60, 982,426.80 and 656,117.60 is: 982,426.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,117.60 : 982,426.80 = 656,117.60 : x
  2. Step 2: Convert to fraction form
    656,117.60/982,426.80 = 656,117.60/x
  3. Step 3: Cross multiply
    656,117.60x = 982,426.80 × 656,117.60
  4. Step 4: Simplify right side
    656,117.60x = 644,587,514,191.68
  5. Step 5: Solve for x
    x = 644,587,514,191.68/656,117.60
  6. Step 6: Final answer
    x = 982,426.80

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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.