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Finding the Fourth Proportional to 359,392.49, 495,923.31 and 198,247.53

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Solution

The fourth proportional to 359,392.49, 495,923.31 and 198,247.53 is: 273,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,392.49 : 495,923.31 = 198,247.53 : x
  2. Step 2: Convert to fraction form
    359,392.49/495,923.31 = 198,247.53/x
  3. Step 3: Cross multiply
    359,392.49x = 495,923.31 × 198,247.53
  4. Step 4: Simplify right side
    359,392.49x = 98,315,571,276.92
  5. Step 5: Solve for x
    x = 98,315,571,276.92/359,392.49
  6. Step 6: Final answer
    x = 273,560.45

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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.