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Finding the Fourth Proportional to 359,143.84, 495,250.08 and 236,668.24

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Solution

The fourth proportional to 359,143.84, 495,250.08 and 236,668.24 is: 326,359.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,143.84 : 495,250.08 = 236,668.24 : x
  2. Step 2: Convert to fraction form
    359,143.84/495,250.08 = 236,668.24/x
  3. Step 3: Cross multiply
    359,143.84x = 495,250.08 × 236,668.24
  4. Step 4: Simplify right side
    359,143.84x = 117,209,964,793.46
  5. Step 5: Solve for x
    x = 117,209,964,793.46/359,143.84
  6. Step 6: Final answer
    x = 326,359.39

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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.