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Finding the Fourth Proportional to 359,397.45, 495,962.33 and 198,267.93

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Solution

The fourth proportional to 359,397.45, 495,962.33 and 198,267.93 is: 273,606.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,397.45 : 495,962.33 = 198,267.93 : x
  2. Step 2: Convert to fraction form
    359,397.45/495,962.33 = 198,267.93/x
  3. Step 3: Cross multiply
    359,397.45x = 495,962.33 × 198,267.93
  4. Step 4: Simplify right side
    359,397.45x = 98,333,423,535.74
  5. Step 5: Solve for x
    x = 98,333,423,535.74/359,397.45
  6. Step 6: Final answer
    x = 273,606.35

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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.