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Finding the Fourth Proportional to 502,542.93, 693,515.99 and 273,104.76

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Solution

The fourth proportional to 502,542.93, 693,515.99 and 273,104.76 is: 376,888.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,542.93 : 693,515.99 = 273,104.76 : x
  2. Step 2: Convert to fraction form
    502,542.93/693,515.99 = 273,104.76/x
  3. Step 3: Cross multiply
    502,542.93x = 693,515.99 × 273,104.76
  4. Step 4: Simplify right side
    502,542.93x = 189,402,516,639.59
  5. Step 5: Solve for x
    x = 189,402,516,639.59/502,542.93
  6. Step 6: Final answer
    x = 376,888.23

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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.