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Finding the Fourth Proportional to 560,263.52, 773,154.52 and 318,540.89

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Solution

The fourth proportional to 560,263.52, 773,154.52 and 318,540.89 is: 439,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,263.52 : 773,154.52 = 318,540.89 : x
  2. Step 2: Convert to fraction form
    560,263.52/773,154.52 = 318,540.89/x
  3. Step 3: Cross multiply
    560,263.52x = 773,154.52 × 318,540.89
  4. Step 4: Simplify right side
    560,263.52x = 246,281,330,044.86
  5. Step 5: Solve for x
    x = 246,281,330,044.86/560,263.52
  6. Step 6: Final answer
    x = 439,581.23

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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.