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Finding the Fourth Proportional to 359,049.24, 495,458.82 and 208,155.96

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Solution

The fourth proportional to 359,049.24, 495,458.82 and 208,155.96 is: 287,238.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,049.24 : 495,458.82 = 208,155.96 : x
  2. Step 2: Convert to fraction form
    359,049.24/495,458.82 = 208,155.96/x
  3. Step 3: Cross multiply
    359,049.24x = 495,458.82 × 208,155.96
  4. Step 4: Simplify right side
    359,049.24x = 103,132,706,317.57
  5. Step 5: Solve for x
    x = 103,132,706,317.57/359,049.24
  6. Step 6: Final answer
    x = 287,238.34

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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.