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Finding the Fourth Proportional to 323,335.61, 446,203.23 and 187,448.32

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Solution

The fourth proportional to 323,335.61, 446,203.23 and 187,448.32 is: 258,678.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,335.61 : 446,203.23 = 187,448.32 : x
  2. Step 2: Convert to fraction form
    323,335.61/446,203.23 = 187,448.32/x
  3. Step 3: Cross multiply
    323,335.61x = 446,203.23 × 187,448.32
  4. Step 4: Simplify right side
    323,335.61x = 83,640,045,842.07
  5. Step 5: Solve for x
    x = 83,640,045,842.07/323,335.61
  6. Step 6: Final answer
    x = 258,678.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.