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Finding the Fourth Proportional to 359,080.44, 495,530.88 and 197,938.20

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Solution

The fourth proportional to 359,080.44, 495,530.88 and 197,938.20 is: 273,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,080.44 : 495,530.88 = 197,938.20 : x
  2. Step 2: Convert to fraction form
    359,080.44/495,530.88 = 197,938.20/x
  3. Step 3: Cross multiply
    359,080.44x = 495,530.88 × 197,938.20
  4. Step 4: Simplify right side
    359,080.44x = 98,084,490,431.62
  5. Step 5: Solve for x
    x = 98,084,490,431.62/359,080.44
  6. Step 6: Final answer
    x = 273,154.65

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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.