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Finding the Fourth Proportional to 359,479.42, 496,084.30 and 198,340.34

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Solution

The fourth proportional to 359,479.42, 496,084.30 and 198,340.34 is: 273,711.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,479.42 : 496,084.30 = 198,340.34 : x
  2. Step 2: Convert to fraction form
    359,479.42/496,084.30 = 198,340.34/x
  3. Step 3: Cross multiply
    359,479.42x = 496,084.30 × 198,340.34
  4. Step 4: Simplify right side
    359,479.42x = 98,393,528,730.66
  5. Step 5: Solve for x
    x = 98,393,528,730.66/359,479.42
  6. Step 6: Final answer
    x = 273,711.16

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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.