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Finding the Fourth Proportional to 502,810.02, 693,891.49 and 273,382.78

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Solution

The fourth proportional to 502,810.02, 693,891.49 and 273,382.78 is: 377,275.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,810.02 : 693,891.49 = 273,382.78 : x
  2. Step 2: Convert to fraction form
    502,810.02/693,891.49 = 273,382.78/x
  3. Step 3: Cross multiply
    502,810.02x = 693,891.49 × 273,382.78
  4. Step 4: Simplify right side
    502,810.02x = 189,697,984,554.54
  5. Step 5: Solve for x
    x = 189,697,984,554.54/502,810.02
  6. Step 6: Final answer
    x = 377,275.66

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1.5x scale

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.