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Finding the Fourth Proportional to 502,392.39, 693,309.36 and 272,954.22

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Solution

The fourth proportional to 502,392.39, 693,309.36 and 272,954.22 is: 376,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,392.39 : 693,309.36 = 272,954.22 : x
  2. Step 2: Convert to fraction form
    502,392.39/693,309.36 = 272,954.22/x
  3. Step 3: Cross multiply
    502,392.39x = 693,309.36 × 272,954.22
  4. Step 4: Simplify right side
    502,392.39x = 189,241,715,577.50
  5. Step 5: Solve for x
    x = 189,241,715,577.50/502,392.39
  6. Step 6: Final answer
    x = 376,681.09

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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.