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Finding the Fourth Proportional to 359,166.70, 538,752.74 and 159,433.39

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Solution

The fourth proportional to 359,166.70, 538,752.74 and 159,433.39 is: 239,151.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,166.70 : 538,752.74 = 159,433.39 : x
  2. Step 2: Convert to fraction form
    359,166.70/538,752.74 = 159,433.39/x
  3. Step 3: Cross multiply
    359,166.70x = 538,752.74 × 159,433.39
  4. Step 4: Simplify right side
    359,166.70x = 85,895,174,912.82
  5. Step 5: Solve for x
    x = 85,895,174,912.82/359,166.70
  6. Step 6: Final answer
    x = 239,151.28

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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.