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Finding the Fourth Proportional to 335,434.59, 503,160.39 and 98,785.40

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Solution

The fourth proportional to 335,434.59, 503,160.39 and 98,785.40 is: 148,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,434.59 : 503,160.39 = 98,785.40 : x
  2. Step 2: Convert to fraction form
    335,434.59/503,160.39 = 98,785.40/x
  3. Step 3: Cross multiply
    335,434.59x = 503,160.39 × 98,785.40
  4. Step 4: Simplify right side
    335,434.59x = 49,704,897,874.50
  5. Step 5: Solve for x
    x = 49,704,897,874.50/335,434.59
  6. Step 6: Final answer
    x = 148,180.60

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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.