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Finding the Fourth Proportional to 359,056.89, 495,475.97 and 197,903.07

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Solution

The fourth proportional to 359,056.89, 495,475.97 and 197,903.07 is: 273,093.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,056.89 : 495,475.97 = 197,903.07 : x
  2. Step 2: Convert to fraction form
    359,056.89/495,475.97 = 197,903.07/x
  3. Step 3: Cross multiply
    359,056.89x = 495,475.97 × 197,903.07
  4. Step 4: Simplify right side
    359,056.89x = 98,056,213,591.61
  5. Step 5: Solve for x
    x = 98,056,213,591.61/359,056.89
  6. Step 6: Final answer
    x = 273,093.81

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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.