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Finding the Fourth Proportional to 556,659.84, 834,874.92 and 272,058.24

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Solution

The fourth proportional to 556,659.84, 834,874.92 and 272,058.24 is: 408,031.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,659.84 : 834,874.92 = 272,058.24 : x
  2. Step 2: Convert to fraction form
    556,659.84/834,874.92 = 272,058.24/x
  3. Step 3: Cross multiply
    556,659.84x = 834,874.92 × 272,058.24
  4. Step 4: Simplify right side
    556,659.84x = 227,134,601,355.34
  5. Step 5: Solve for x
    x = 227,134,601,355.34/556,659.84
  6. Step 6: Final answer
    x = 408,031.23

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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.