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Finding the Fourth Proportional to 359,190.55, 495,682.53 and 198,048.13

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Solution

The fourth proportional to 359,190.55, 495,682.53 and 198,048.13 is: 273,306.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,190.55 : 495,682.53 = 198,048.13 : x
  2. Step 2: Convert to fraction form
    359,190.55/495,682.53 = 198,048.13/x
  3. Step 3: Cross multiply
    359,190.55x = 495,682.53 × 198,048.13
  4. Step 4: Simplify right side
    359,190.55x = 98,168,998,140.17
  5. Step 5: Solve for x
    x = 98,168,998,140.17/359,190.55
  6. Step 6: Final answer
    x = 273,306.18

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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.