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Finding the Fourth Proportional to 536,495.10, 804,867.21 and 157,400.52

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Solution

The fourth proportional to 536,495.10, 804,867.21 and 157,400.52 is: 236,137.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,495.10 : 804,867.21 = 157,400.52 : x
  2. Step 2: Convert to fraction form
    536,495.10/804,867.21 = 157,400.52/x
  3. Step 3: Cross multiply
    536,495.10x = 804,867.21 × 157,400.52
  4. Step 4: Simplify right side
    536,495.10x = 126,686,517,384.95
  5. Step 5: Solve for x
    x = 126,686,517,384.95/536,495.10
  6. Step 6: Final answer
    x = 236,137.32

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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.