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Finding the Fourth Proportional to 359,125.79, 495,596.81 and 197,986.52

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Solution

The fourth proportional to 359,125.79, 495,596.81 and 197,986.52 is: 273,223.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,125.79 : 495,596.81 = 197,986.52 : x
  2. Step 2: Convert to fraction form
    359,125.79/495,596.81 = 197,986.52/x
  3. Step 3: Cross multiply
    359,125.79x = 495,596.81 × 197,986.52
  4. Step 4: Simplify right side
    359,125.79x = 98,121,487,984.06
  5. Step 5: Solve for x
    x = 98,121,487,984.06/359,125.79
  6. Step 6: Final answer
    x = 273,223.17

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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.