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Finding the Fourth Proportional to 359,127.50, 495,583.18 and 195,780.63

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Solution

The fourth proportional to 359,127.50, 495,583.18 and 195,780.63 is: 270,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,127.50 : 495,583.18 = 195,780.63 : x
  2. Step 2: Convert to fraction form
    359,127.50/495,583.18 = 195,780.63/x
  3. Step 3: Cross multiply
    359,127.50x = 495,583.18 × 195,780.63
  4. Step 4: Simplify right side
    359,127.50x = 97,025,587,197.80
  5. Step 5: Solve for x
    x = 97,025,587,197.80/359,127.50
  6. Step 6: Final answer
    x = 270,170.31

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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.