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Finding the Fourth Proportional to 303,037.12, 418,098.54 and 175,687.30

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Solution

The fourth proportional to 303,037.12, 418,098.54 and 175,687.30 is: 242,394.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,037.12 : 418,098.54 = 175,687.30 : x
  2. Step 2: Convert to fraction form
    303,037.12/418,098.54 = 175,687.30/x
  3. Step 3: Cross multiply
    303,037.12x = 418,098.54 × 175,687.30
  4. Step 4: Simplify right side
    303,037.12x = 73,454,603,626.54
  5. Step 5: Solve for x
    x = 73,454,603,626.54/303,037.12
  6. Step 6: Final answer
    x = 242,394.74

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1.5x scale

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.