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Finding the Fourth Proportional to 359,127.48, 495,606.54 and 197,989.32

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Solution

The fourth proportional to 359,127.48, 495,606.54 and 197,989.32 is: 273,231.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,127.48 : 495,606.54 = 197,989.32 : x
  2. Step 2: Convert to fraction form
    359,127.48/495,606.54 = 197,989.32/x
  3. Step 3: Cross multiply
    359,127.48x = 495,606.54 × 197,989.32
  4. Step 4: Simplify right side
    359,127.48x = 98,124,801,842.15
  5. Step 5: Solve for x
    x = 98,124,801,842.15/359,127.48
  6. Step 6: Final answer
    x = 273,231.12

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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.