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Finding the Fourth Proportional to 502,267.84, 693,130.08 and 275,928

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Solution

The fourth proportional to 502,267.84, 693,130.08 and 275,928 is: 380,780.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,267.84 : 693,130.08 = 275,928 : x
  2. Step 2: Convert to fraction form
    502,267.84/693,130.08 = 275,928/x
  3. Step 3: Cross multiply
    502,267.84x = 693,130.08 × 275,928
  4. Step 4: Simplify right side
    502,267.84x = 191,253,996,714.24
  5. Step 5: Solve for x
    x = 191,253,996,714.24/502,267.84
  6. Step 6: Final answer
    x = 380,780.89

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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.