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Finding the Fourth Proportional to 359,133.18, 495,607.17 and 197,993.94

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Solution

The fourth proportional to 359,133.18, 495,607.17 and 197,993.94 is: 273,233.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,133.18 : 495,607.17 = 197,993.94 : x
  2. Step 2: Convert to fraction form
    359,133.18/495,607.17 = 197,993.94/x
  3. Step 3: Cross multiply
    359,133.18x = 495,607.17 × 197,993.94
  4. Step 4: Simplify right side
    359,133.18x = 98,127,216,280.55
  5. Step 5: Solve for x
    x = 98,127,216,280.55/359,133.18
  6. Step 6: Final answer
    x = 273,233.50

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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.