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Finding the Fourth Proportional to 338,445.90, 467,054.37 and 187,542.90

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Solution

The fourth proportional to 338,445.90, 467,054.37 and 187,542.90 is: 258,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,445.90 : 467,054.37 = 187,542.90 : x
  2. Step 2: Convert to fraction form
    338,445.90/467,054.37 = 187,542.90/x
  3. Step 3: Cross multiply
    338,445.90x = 467,054.37 × 187,542.90
  4. Step 4: Simplify right side
    338,445.90x = 87,592,731,007.47
  5. Step 5: Solve for x
    x = 87,592,731,007.47/338,445.90
  6. Step 6: Final answer
    x = 258,808.66

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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.