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Finding the Fourth Proportional to 567,063.94, 782,550.18 and 312,414.52

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Solution

The fourth proportional to 567,063.94, 782,550.18 and 312,414.52 is: 431,133.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,063.94 : 782,550.18 = 312,414.52 : x
  2. Step 2: Convert to fraction form
    567,063.94/782,550.18 = 312,414.52/x
  3. Step 3: Cross multiply
    567,063.94x = 782,550.18 × 312,414.52
  4. Step 4: Simplify right side
    567,063.94x = 244,480,038,860.61
  5. Step 5: Solve for x
    x = 244,480,038,860.61/567,063.94
  6. Step 6: Final answer
    x = 431,133.11

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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.