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Finding the Fourth Proportional to 299,259.96, 448,963.92 and 88,897.56

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Solution

The fourth proportional to 299,259.96, 448,963.92 and 88,897.56 is: 133,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,259.96 : 448,963.92 = 88,897.56 : x
  2. Step 2: Convert to fraction form
    299,259.96/448,963.92 = 88,897.56/x
  3. Step 3: Cross multiply
    299,259.96x = 448,963.92 × 88,897.56
  4. Step 4: Simplify right side
    299,259.96x = 39,911,797,016.04
  5. Step 5: Solve for x
    x = 39,911,797,016.04/299,259.96
  6. Step 6: Final answer
    x = 133,368.32

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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.