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Finding the Fourth Proportional to 313,458.38, 432,599.37 and 177,516.35

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Solution

The fourth proportional to 313,458.38, 432,599.37 and 177,516.35 is: 244,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,458.38 : 432,599.37 = 177,516.35 : x
  2. Step 2: Convert to fraction form
    313,458.38/432,599.37 = 177,516.35/x
  3. Step 3: Cross multiply
    313,458.38x = 432,599.37 × 177,516.35
  4. Step 4: Simplify right side
    313,458.38x = 76,793,461,174.70
  5. Step 5: Solve for x
    x = 76,793,461,174.70/313,458.38
  6. Step 6: Final answer
    x = 244,987.74

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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.