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Finding the Fourth Proportional to 336,417.76, 504,624.08 and 99,761.12

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Solution

The fourth proportional to 336,417.76, 504,624.08 and 99,761.12 is: 149,640.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,417.76 : 504,624.08 = 99,761.12 : x
  2. Step 2: Convert to fraction form
    336,417.76/504,624.08 = 99,761.12/x
  3. Step 3: Cross multiply
    336,417.76x = 504,624.08 × 99,761.12
  4. Step 4: Simplify right side
    336,417.76x = 50,341,863,399.77
  5. Step 5: Solve for x
    x = 50,341,863,399.77/336,417.76
  6. Step 6: Final answer
    x = 149,640.92

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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.