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Finding the Fourth Proportional to 359,014.30, 495,419.52 and 197,868.86

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Solution

The fourth proportional to 359,014.30, 495,419.52 and 197,868.86 is: 273,047.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,014.30 : 495,419.52 = 197,868.86 : x
  2. Step 2: Convert to fraction form
    359,014.30/495,419.52 = 197,868.86/x
  3. Step 3: Cross multiply
    359,014.30x = 495,419.52 × 197,868.86
  4. Step 4: Simplify right side
    359,014.30x = 98,028,095,644.15
  5. Step 5: Solve for x
    x = 98,028,095,644.15/359,014.30
  6. Step 6: Final answer
    x = 273,047.89

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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.