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Finding the Fourth Proportional to 229,379.52, 344,117.13 and 115,591.32

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Solution

The fourth proportional to 229,379.52, 344,117.13 and 115,591.32 is: 173,411.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,379.52 : 344,117.13 = 115,591.32 : x
  2. Step 2: Convert to fraction form
    229,379.52/344,117.13 = 115,591.32/x
  3. Step 3: Cross multiply
    229,379.52x = 344,117.13 × 115,591.32
  4. Step 4: Simplify right side
    229,379.52x = 39,776,953,291.31
  5. Step 5: Solve for x
    x = 39,776,953,291.31/229,379.52
  6. Step 6: Final answer
    x = 173,411.09

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1.5x scale

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.