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Finding the Fourth Proportional to 359,137.46, 538,706.19 and 122,482.19

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Solution

The fourth proportional to 359,137.46, 538,706.19 and 122,482.19 is: 183,723.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,137.46 : 538,706.19 = 122,482.19 : x
  2. Step 2: Convert to fraction form
    359,137.46/538,706.19 = 122,482.19/x
  3. Step 3: Cross multiply
    359,137.46x = 538,706.19 × 122,482.19
  4. Step 4: Simplify right side
    359,137.46x = 65,981,913,917.76
  5. Step 5: Solve for x
    x = 65,981,913,917.76/359,137.46
  6. Step 6: Final answer
    x = 183,723.29

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Similar ratio
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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.