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Finding the Fourth Proportional to 377,543.04, 521,019.72 and 207,787.56

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Solution

The fourth proportional to 377,543.04, 521,019.72 and 207,787.56 is: 286,752.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,543.04 : 521,019.72 = 207,787.56 : x
  2. Step 2: Convert to fraction form
    377,543.04/521,019.72 = 207,787.56/x
  3. Step 3: Cross multiply
    377,543.04x = 521,019.72 × 207,787.56
  4. Step 4: Simplify right side
    377,543.04x = 108,261,416,330.68
  5. Step 5: Solve for x
    x = 108,261,416,330.68/377,543.04
  6. Step 6: Final answer
    x = 286,752.52

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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.