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Finding the Fourth Proportional to 537,799.70, 806,699.55 and 495,809.30

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Solution

The fourth proportional to 537,799.70, 806,699.55 and 495,809.30 is: 743,713.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,799.70 : 806,699.55 = 495,809.30 : x
  2. Step 2: Convert to fraction form
    537,799.70/806,699.55 = 495,809.30/x
  3. Step 3: Cross multiply
    537,799.70x = 806,699.55 × 495,809.30
  4. Step 4: Simplify right side
    537,799.70x = 399,969,139,195.82
  5. Step 5: Solve for x
    x = 399,969,139,195.82/537,799.70
  6. Step 6: Final answer
    x = 743,713.95

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Similar ratio
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1.5x scale

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.