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Finding the Fourth Proportional to 536,555.10, 804,940.65 and 157,475.10

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Solution

The fourth proportional to 536,555.10, 804,940.65 and 157,475.10 is: 236,244.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,555.10 : 804,940.65 = 157,475.10 : x
  2. Step 2: Convert to fraction form
    536,555.10/804,940.65 = 157,475.10/x
  3. Step 3: Cross multiply
    536,555.10x = 804,940.65 × 157,475.10
  4. Step 4: Simplify right side
    536,555.10x = 126,758,109,352.82
  5. Step 5: Solve for x
    x = 126,758,109,352.82/536,555.10
  6. Step 6: Final answer
    x = 236,244.35

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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.