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Finding the Fourth Proportional to 359,127.75, 495,583.53 and 195,780.87

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Solution

The fourth proportional to 359,127.75, 495,583.53 and 195,780.87 is: 270,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,127.75 : 495,583.53 = 195,780.87 : x
  2. Step 2: Convert to fraction form
    359,127.75/495,583.53 = 195,780.87/x
  3. Step 3: Cross multiply
    359,127.75x = 495,583.53 × 195,780.87
  4. Step 4: Simplify right side
    359,127.75x = 97,025,774,661.07
  5. Step 5: Solve for x
    x = 97,025,774,661.07/359,127.75
  6. Step 6: Final answer
    x = 270,170.64

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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.