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Finding the Fourth Proportional to 359,142.66, 495,601.94 and 195,795.63

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Solution

The fourth proportional to 359,142.66, 495,601.94 and 195,795.63 is: 270,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,142.66 : 495,601.94 = 195,795.63 : x
  2. Step 2: Convert to fraction form
    359,142.66/495,601.94 = 195,795.63/x
  3. Step 3: Cross multiply
    359,142.66x = 495,601.94 × 195,795.63
  4. Step 4: Simplify right side
    359,142.66x = 97,036,694,561.01
  5. Step 5: Solve for x
    x = 97,036,694,561.01/359,142.66
  6. Step 6: Final answer
    x = 270,189.83

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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.