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Finding the Fourth Proportional to 538,026.84, 806,621.92 and 348,085.89

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Solution

The fourth proportional to 538,026.84, 806,621.92 and 348,085.89 is: 521,858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,026.84 : 806,621.92 = 348,085.89 : x
  2. Step 2: Convert to fraction form
    538,026.84/806,621.92 = 348,085.89/x
  3. Step 3: Cross multiply
    538,026.84x = 806,621.92 × 348,085.89
  4. Step 4: Simplify right side
    538,026.84x = 280,773,708,046.49
  5. Step 5: Solve for x
    x = 280,773,708,046.49/538,026.84
  6. Step 6: Final answer
    x = 521,858.18

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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.