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Finding the Fourth Proportional to 560,488.62, 773,474.31 and 359,284.62

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Solution

The fourth proportional to 560,488.62, 773,474.31 and 359,284.62 is: 495,812.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,488.62 : 773,474.31 = 359,284.62 : x
  2. Step 2: Convert to fraction form
    560,488.62/773,474.31 = 359,284.62/x
  3. Step 3: Cross multiply
    560,488.62x = 773,474.31 × 359,284.62
  4. Step 4: Simplify right side
    560,488.62x = 277,897,423,548.11
  5. Step 5: Solve for x
    x = 277,897,423,548.11/560,488.62
  6. Step 6: Final answer
    x = 495,812.78

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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.