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Finding the Fourth Proportional to 359,197.38, 495,177.35 and 282,583.42

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Solution

The fourth proportional to 359,197.38, 495,177.35 and 282,583.42 is: 389,559.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,197.38 : 495,177.35 = 282,583.42 : x
  2. Step 2: Convert to fraction form
    359,197.38/495,177.35 = 282,583.42/x
  3. Step 3: Cross multiply
    359,197.38x = 495,177.35 × 282,583.42
  4. Step 4: Simplify right side
    359,197.38x = 139,928,906,418.68
  5. Step 5: Solve for x
    x = 139,928,906,418.68/359,197.38
  6. Step 6: Final answer
    x = 389,559.93

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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.