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Finding the Fourth Proportional to 331,017.76, 496,525.88 and 120,569.68

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Solution

The fourth proportional to 331,017.76, 496,525.88 and 120,569.68 is: 180,854.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,017.76 : 496,525.88 = 120,569.68 : x
  2. Step 2: Convert to fraction form
    331,017.76/496,525.88 = 120,569.68/x
  3. Step 3: Cross multiply
    331,017.76x = 496,525.88 × 120,569.68
  4. Step 4: Simplify right side
    331,017.76x = 59,865,966,463.32
  5. Step 5: Solve for x
    x = 59,865,966,463.32/331,017.76
  6. Step 6: Final answer
    x = 180,854.24

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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.