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Finding the Fourth Proportional to 377,295.46, 565,278.86 and 354,819.93

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Solution

The fourth proportional to 377,295.46, 565,278.86 and 354,819.93 is: 531,605.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,295.46 : 565,278.86 = 354,819.93 : x
  2. Step 2: Convert to fraction form
    377,295.46/565,278.86 = 354,819.93/x
  3. Step 3: Cross multiply
    377,295.46x = 565,278.86 × 354,819.93
  4. Step 4: Simplify right side
    377,295.46x = 200,572,203,761.58
  5. Step 5: Solve for x
    x = 200,572,203,761.58/377,295.46
  6. Step 6: Final answer
    x = 531,605.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.