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Finding the Fourth Proportional to 296,587.98, 444,881.97 and 74,971.98

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Solution

The fourth proportional to 296,587.98, 444,881.97 and 74,971.98 is: 112,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,587.98 : 444,881.97 = 74,971.98 : x
  2. Step 2: Convert to fraction form
    296,587.98/444,881.97 = 74,971.98/x
  3. Step 3: Cross multiply
    296,587.98x = 444,881.97 × 74,971.98
  4. Step 4: Simplify right side
    296,587.98x = 33,353,682,157.20
  5. Step 5: Solve for x
    x = 33,353,682,157.20/296,587.98
  6. Step 6: Final answer
    x = 112,457.97

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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.