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Finding the Fourth Proportional to 296,045.88, 444,135.15 and 138,188.22

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Solution

The fourth proportional to 296,045.88, 444,135.15 and 138,188.22 is: 207,313.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,045.88 : 444,135.15 = 138,188.22 : x
  2. Step 2: Convert to fraction form
    296,045.88/444,135.15 = 138,188.22/x
  3. Step 3: Cross multiply
    296,045.88x = 444,135.15 × 138,188.22
  4. Step 4: Simplify right side
    296,045.88x = 61,374,245,817.93
  5. Step 5: Solve for x
    x = 61,374,245,817.93/296,045.88
  6. Step 6: Final answer
    x = 207,313.29

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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.