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Finding the Fourth Proportional to 600,013.60, 898,562.40 and 318,911.20

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Solution

The fourth proportional to 600,013.60, 898,562.40 and 318,911.20 is: 477,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,013.60 : 898,562.40 = 318,911.20 : x
  2. Step 2: Convert to fraction form
    600,013.60/898,562.40 = 318,911.20/x
  3. Step 3: Cross multiply
    600,013.60x = 898,562.40 × 318,911.20
  4. Step 4: Simplify right side
    600,013.60x = 286,561,613,258.88
  5. Step 5: Solve for x
    x = 286,561,613,258.88/600,013.60
  6. Step 6: Final answer
    x = 477,591.86

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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.