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Finding the Fourth Proportional to 560,264.52, 773,155.90 and 318,541.89

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Solution

The fourth proportional to 560,264.52, 773,155.90 and 318,541.89 is: 439,582.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,264.52 : 773,155.90 = 318,541.89 : x
  2. Step 2: Convert to fraction form
    560,264.52/773,155.90 = 318,541.89/x
  3. Step 3: Cross multiply
    560,264.52x = 773,155.90 × 318,541.89
  4. Step 4: Simplify right side
    560,264.52x = 246,282,541,650.65
  5. Step 5: Solve for x
    x = 246,282,541,650.65/560,264.52
  6. Step 6: Final answer
    x = 439,582.61

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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.