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Finding the Fourth Proportional to 359,902.52, 496,666.32 and 198,754.64

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Solution

The fourth proportional to 359,902.52, 496,666.32 and 198,754.64 is: 274,281.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,902.52 : 496,666.32 = 198,754.64 : x
  2. Step 2: Convert to fraction form
    359,902.52/496,666.32 = 198,754.64/x
  3. Step 3: Cross multiply
    359,902.52x = 496,666.32 × 198,754.64
  4. Step 4: Simplify right side
    359,902.52x = 98,714,735,631.72
  5. Step 5: Solve for x
    x = 98,714,735,631.72/359,902.52
  6. Step 6: Final answer
    x = 274,281.87

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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.