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Finding the Fourth Proportional to 658,884.60, 988,326.90 and 577,528.20

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Solution

The fourth proportional to 658,884.60, 988,326.90 and 577,528.20 is: 866,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,884.60 : 988,326.90 = 577,528.20 : x
  2. Step 2: Convert to fraction form
    658,884.60/988,326.90 = 577,528.20/x
  3. Step 3: Cross multiply
    658,884.60x = 988,326.90 × 577,528.20
  4. Step 4: Simplify right side
    658,884.60x = 570,786,655,568.58
  5. Step 5: Solve for x
    x = 570,786,655,568.58/658,884.60
  6. Step 6: Final answer
    x = 866,292.30

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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.