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Finding the Fourth Proportional to 359,256.32, 495,770.72 and 198,118.08

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Solution

The fourth proportional to 359,256.32, 495,770.72 and 198,118.08 is: 273,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,256.32 : 495,770.72 = 198,118.08 : x
  2. Step 2: Convert to fraction form
    359,256.32/495,770.72 = 198,118.08/x
  3. Step 3: Cross multiply
    359,256.32x = 495,770.72 × 198,118.08
  4. Step 4: Simplify right side
    359,256.32x = 98,221,143,166.62
  5. Step 5: Solve for x
    x = 98,221,143,166.62/359,256.32
  6. Step 6: Final answer
    x = 273,401.30

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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.