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Finding the Fourth Proportional to 359,410.84, 495,986.96 and 198,266.27

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Solution

The fourth proportional to 359,410.84, 495,986.96 and 198,266.27 is: 273,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,410.84 : 495,986.96 = 198,266.27 : x
  2. Step 2: Convert to fraction form
    359,410.84/495,986.96 = 198,266.27/x
  3. Step 3: Cross multiply
    359,410.84x = 495,986.96 × 198,266.27
  4. Step 4: Simplify right side
    359,410.84x = 98,337,482,543.57
  5. Step 5: Solve for x
    x = 98,337,482,543.57/359,410.84
  6. Step 6: Final answer
    x = 273,607.45

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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.