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Finding the Fourth Proportional to 536,581.49, 804,876.80 and 157,508.51

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Solution

The fourth proportional to 536,581.49, 804,876.80 and 157,508.51 is: 236,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,581.49 : 804,876.80 = 157,508.51 : x
  2. Step 2: Convert to fraction form
    536,581.49/804,876.80 = 157,508.51/x
  3. Step 3: Cross multiply
    536,581.49x = 804,876.80 × 157,508.51
  4. Step 4: Simplify right side
    536,581.49x = 126,774,940,689.64
  5. Step 5: Solve for x
    x = 126,774,940,689.64/536,581.49
  6. Step 6: Final answer
    x = 236,264.10

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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.