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Finding the Fourth Proportional to 359,153.41, 495,654.05 and 198,008.22

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Solution

The fourth proportional to 359,153.41, 495,654.05 and 198,008.22 is: 273,263.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,153.41 : 495,654.05 = 198,008.22 : x
  2. Step 2: Convert to fraction form
    359,153.41/495,654.05 = 198,008.22/x
  3. Step 3: Cross multiply
    359,153.41x = 495,654.05 × 198,008.22
  4. Step 4: Simplify right side
    359,153.41x = 98,143,576,176.29
  5. Step 5: Solve for x
    x = 98,143,576,176.29/359,153.41
  6. Step 6: Final answer
    x = 273,263.66

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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.