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Finding the Fourth Proportional to 299,637.20, 448,885.56 and 159,461.84

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Solution

The fourth proportional to 299,637.20, 448,885.56 and 159,461.84 is: 238,889.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,637.20 : 448,885.56 = 159,461.84 : x
  2. Step 2: Convert to fraction form
    299,637.20/448,885.56 = 159,461.84/x
  3. Step 3: Cross multiply
    299,637.20x = 448,885.56 × 159,461.84
  4. Step 4: Simplify right side
    299,637.20x = 71,580,117,347.03
  5. Step 5: Solve for x
    x = 71,580,117,347.03/299,637.20
  6. Step 6: Final answer
    x = 238,889.29

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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.