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Finding the Fourth Proportional to 359,225.28, 495,610.56 and 231,986.88

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Solution

The fourth proportional to 359,225.28, 495,610.56 and 231,986.88 is: 320,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,225.28 : 495,610.56 = 231,986.88 : x
  2. Step 2: Convert to fraction form
    359,225.28/495,610.56 = 231,986.88/x
  3. Step 3: Cross multiply
    359,225.28x = 495,610.56 × 231,986.88
  4. Step 4: Simplify right side
    359,225.28x = 114,975,147,509.45
  5. Step 5: Solve for x
    x = 114,975,147,509.45/359,225.28
  6. Step 6: Final answer
    x = 320,064.19

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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.