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Finding the Fourth Proportional to 359,585.87, 496,228.01 and 198,440.96

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Solution

The fourth proportional to 359,585.87, 496,228.01 and 198,440.96 is: 273,848.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,585.87 : 496,228.01 = 198,440.96 : x
  2. Step 2: Convert to fraction form
    359,585.87/496,228.01 = 198,440.96/x
  3. Step 3: Cross multiply
    359,585.87x = 496,228.01 × 198,440.96
  4. Step 4: Simplify right side
    359,585.87x = 98,471,959,209.94
  5. Step 5: Solve for x
    x = 98,471,959,209.94/359,585.87
  6. Step 6: Final answer
    x = 273,848.25

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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.