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Finding the Fourth Proportional to 359,232, 495,761.04 and 198,121.32

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Solution

The fourth proportional to 359,232, 495,761.04 and 198,121.32 is: 273,418.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,232 : 495,761.04 = 198,121.32 : x
  2. Step 2: Convert to fraction form
    359,232/495,761.04 = 198,121.32/x
  3. Step 3: Cross multiply
    359,232x = 495,761.04 × 198,121.32
  4. Step 4: Simplify right side
    359,232x = 98,220,831,649.37
  5. Step 5: Solve for x
    x = 98,220,831,649.37/359,232
  6. Step 6: Final answer
    x = 273,418.94

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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.