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Finding the Fourth Proportional to 377,595.60, 521,077.92 and 207,826.08

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Solution

The fourth proportional to 377,595.60, 521,077.92 and 207,826.08 is: 286,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,595.60 : 521,077.92 = 207,826.08 : x
  2. Step 2: Convert to fraction form
    377,595.60/521,077.92 = 207,826.08/x
  3. Step 3: Cross multiply
    377,595.60x = 521,077.92 × 207,826.08
  4. Step 4: Simplify right side
    377,595.60x = 108,293,581,488.15
  5. Step 5: Solve for x
    x = 108,293,581,488.15/377,595.60
  6. Step 6: Final answer
    x = 286,797.78

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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.