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Finding the Fourth Proportional to 322,037.35, 482,518.45 and 141,854.33

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Solution

The fourth proportional to 322,037.35, 482,518.45 and 141,854.33 is: 212,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,037.35 : 482,518.45 = 141,854.33 : x
  2. Step 2: Convert to fraction form
    322,037.35/482,518.45 = 141,854.33/x
  3. Step 3: Cross multiply
    322,037.35x = 482,518.45 × 141,854.33
  4. Step 4: Simplify right side
    322,037.35x = 68,447,331,437.39
  5. Step 5: Solve for x
    x = 68,447,331,437.39/322,037.35
  6. Step 6: Final answer
    x = 212,544.70

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1.5x scale

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.