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Finding the Fourth Proportional to 359,008.80, 495,411.93 and 197,863.35

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Solution

The fourth proportional to 359,008.80, 495,411.93 and 197,863.35 is: 273,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,008.80 : 495,411.93 = 197,863.35 : x
  2. Step 2: Convert to fraction form
    359,008.80/495,411.93 = 197,863.35/x
  3. Step 3: Cross multiply
    359,008.80x = 495,411.93 × 197,863.35
  4. Step 4: Simplify right side
    359,008.80x = 98,023,864,099.77
  5. Step 5: Solve for x
    x = 98,023,864,099.77/359,008.80
  6. Step 6: Final answer
    x = 273,040.28

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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.