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Finding the Fourth Proportional to 537,858.20, 806,960.10 and 360,565.40

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Solution

The fourth proportional to 537,858.20, 806,960.10 and 360,565.40 is: 540,963.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,858.20 : 806,960.10 = 360,565.40 : x
  2. Step 2: Convert to fraction form
    537,858.20/806,960.10 = 360,565.40/x
  3. Step 3: Cross multiply
    537,858.20x = 806,960.10 × 360,565.40
  4. Step 4: Simplify right side
    537,858.20x = 290,961,891,240.54
  5. Step 5: Solve for x
    x = 290,961,891,240.54/537,858.20
  6. Step 6: Final answer
    x = 540,963.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.