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Finding the Fourth Proportional to 359,003.52, 495,404.68 and 197,858.08

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Solution

The fourth proportional to 359,003.52, 495,404.68 and 197,858.08 is: 273,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,003.52 : 495,404.68 = 197,858.08 : x
  2. Step 2: Convert to fraction form
    359,003.52/495,404.68 = 197,858.08/x
  3. Step 3: Cross multiply
    359,003.52x = 495,404.68 × 197,858.08
  4. Step 4: Simplify right side
    359,003.52x = 98,019,818,807.81
  5. Step 5: Solve for x
    x = 98,019,818,807.81/359,003.52
  6. Step 6: Final answer
    x = 273,033.03

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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.