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Finding the Fourth Proportional to 536,470.10, 804,813.15 and 157,390.10

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Solution

The fourth proportional to 536,470.10, 804,813.15 and 157,390.10 is: 236,116.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,470.10 : 804,813.15 = 157,390.10 : x
  2. Step 2: Convert to fraction form
    536,470.10/804,813.15 = 157,390.10/x
  3. Step 3: Cross multiply
    536,470.10x = 804,813.15 × 157,390.10
  4. Step 4: Simplify right side
    536,470.10x = 126,669,622,159.82
  5. Step 5: Solve for x
    x = 126,669,622,159.82/536,470.10
  6. Step 6: Final answer
    x = 236,116.84

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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.