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Finding the Fourth Proportional to 537,856.78, 806,527.83 and 313,281.28

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Solution

The fourth proportional to 537,856.78, 806,527.83 and 313,281.28 is: 469,772.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,856.78 : 806,527.83 = 313,281.28 : x
  2. Step 2: Convert to fraction form
    537,856.78/806,527.83 = 313,281.28/x
  3. Step 3: Cross multiply
    537,856.78x = 806,527.83 × 313,281.28
  4. Step 4: Simplify right side
    537,856.78x = 252,670,070,938.02
  5. Step 5: Solve for x
    x = 252,670,070,938.02/537,856.78
  6. Step 6: Final answer
    x = 469,772.03

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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.