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Finding the Fourth Proportional to 359,147.61, 495,608.77 and 195,800.58

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Solution

The fourth proportional to 359,147.61, 495,608.77 and 195,800.58 is: 270,196.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,147.61 : 495,608.77 = 195,800.58 : x
  2. Step 2: Convert to fraction form
    359,147.61/495,608.77 = 195,800.58/x
  3. Step 3: Cross multiply
    359,147.61x = 495,608.77 × 195,800.58
  4. Step 4: Simplify right side
    359,147.61x = 97,040,484,619.09
  5. Step 5: Solve for x
    x = 97,040,484,619.09/359,147.61
  6. Step 6: Final answer
    x = 270,196.66

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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.