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Finding the Fourth Proportional to 299,298.08, 448,966.92 and 99,610.40

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Solution

The fourth proportional to 299,298.08, 448,966.92 and 99,610.40 is: 149,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,298.08 : 448,966.92 = 99,610.40 : x
  2. Step 2: Convert to fraction form
    299,298.08/448,966.92 = 99,610.40/x
  3. Step 3: Cross multiply
    299,298.08x = 448,966.92 × 99,610.40
  4. Step 4: Simplify right side
    299,298.08x = 44,721,774,487.97
  5. Step 5: Solve for x
    x = 44,721,774,487.97/299,298.08
  6. Step 6: Final answer
    x = 149,422.19

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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.