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Finding the Fourth Proportional to 560,299.96, 773,250.52 and 318,605.04

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Solution

The fourth proportional to 560,299.96, 773,250.52 and 318,605.04 is: 439,695.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,299.96 : 773,250.52 = 318,605.04 : x
  2. Step 2: Convert to fraction form
    560,299.96/773,250.52 = 318,605.04/x
  3. Step 3: Cross multiply
    560,299.96x = 773,250.52 × 318,605.04
  4. Step 4: Simplify right side
    560,299.96x = 246,361,512,854.62
  5. Step 5: Solve for x
    x = 246,361,512,854.62/560,299.96
  6. Step 6: Final answer
    x = 439,695.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.