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Finding the Fourth Proportional to 359,528.62, 496,148.98 and 198,383.63

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Solution

The fourth proportional to 359,528.62, 496,148.98 and 198,383.63 is: 273,769.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,528.62 : 496,148.98 = 198,383.63 : x
  2. Step 2: Convert to fraction form
    359,528.62/496,148.98 = 198,383.63/x
  3. Step 3: Cross multiply
    359,528.62x = 496,148.98 × 198,383.63
  4. Step 4: Simplify right side
    359,528.62x = 98,427,832,200.53
  5. Step 5: Solve for x
    x = 98,427,832,200.53/359,528.62
  6. Step 6: Final answer
    x = 273,769.12

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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.