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Finding the Fourth Proportional to 560,295.47, 773,244.29 and 318,600.54

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Solution

The fourth proportional to 560,295.47, 773,244.29 and 318,600.54 is: 439,689.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,295.47 : 773,244.29 = 318,600.54 : x
  2. Step 2: Convert to fraction form
    560,295.47/773,244.29 = 318,600.54/x
  3. Step 3: Cross multiply
    560,295.47x = 773,244.29 × 318,600.54
  4. Step 4: Simplify right side
    560,295.47x = 246,356,049,142.42
  5. Step 5: Solve for x
    x = 246,356,049,142.42/560,295.47
  6. Step 6: Final answer
    x = 439,689.52

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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.