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Finding the Fourth Proportional to 298,958.76, 448,361.73 and 88,547.49

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Solution

The fourth proportional to 298,958.76, 448,361.73 and 88,547.49 is: 132,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,958.76 : 448,361.73 = 88,547.49 : x
  2. Step 2: Convert to fraction form
    298,958.76/448,361.73 = 88,547.49/x
  3. Step 3: Cross multiply
    298,958.76x = 448,361.73 × 88,547.49
  4. Step 4: Simplify right side
    298,958.76x = 39,701,305,803.56
  5. Step 5: Solve for x
    x = 39,701,305,803.56/298,958.76
  6. Step 6: Final answer
    x = 132,798.60

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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.