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Finding the Fourth Proportional to 536,486.64, 804,854.50 and 157,392.06

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Solution

The fourth proportional to 536,486.64, 804,854.50 and 157,392.06 is: 236,124.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,486.64 : 804,854.50 = 157,392.06 : x
  2. Step 2: Convert to fraction form
    536,486.64/804,854.50 = 157,392.06/x
  3. Step 3: Cross multiply
    536,486.64x = 804,854.50 × 157,392.06
  4. Step 4: Simplify right side
    536,486.64x = 126,677,707,755.27
  5. Step 5: Solve for x
    x = 126,677,707,755.27/536,486.64
  6. Step 6: Final answer
    x = 236,124.63

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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.