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Finding the Fourth Proportional to 359,049.24, 538,515.45 and 169,509.24

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Solution

The fourth proportional to 359,049.24, 538,515.45 and 169,509.24 is: 254,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,049.24 : 538,515.45 = 169,509.24 : x
  2. Step 2: Convert to fraction form
    359,049.24/538,515.45 = 169,509.24/x
  3. Step 3: Cross multiply
    359,049.24x = 538,515.45 × 169,509.24
  4. Step 4: Simplify right side
    359,049.24x = 91,283,344,657.76
  5. Step 5: Solve for x
    x = 91,283,344,657.76/359,049.24
  6. Step 6: Final answer
    x = 254,236.28

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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.