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Finding the Fourth Proportional to 359,185.43, 495,679.77 and 195,840.59

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Solution

The fourth proportional to 359,185.43, 495,679.77 and 195,840.59 is: 270,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,185.43 : 495,679.77 = 195,840.59 : x
  2. Step 2: Convert to fraction form
    359,185.43/495,679.77 = 195,840.59/x
  3. Step 3: Cross multiply
    359,185.43x = 495,679.77 × 195,840.59
  4. Step 4: Simplify right side
    359,185.43x = 97,074,216,129.47
  5. Step 5: Solve for x
    x = 97,074,216,129.47/359,185.43
  6. Step 6: Final answer
    x = 270,262.12

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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.