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Finding the Fourth Proportional to 299,325.02, 448,597.66 and 121,624.28

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Solution

The fourth proportional to 299,325.02, 448,597.66 and 121,624.28 is: 182,278.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,325.02 : 448,597.66 = 121,624.28 : x
  2. Step 2: Convert to fraction form
    299,325.02/448,597.66 = 121,624.28/x
  3. Step 3: Cross multiply
    299,325.02x = 448,597.66 × 121,624.28
  4. Step 4: Simplify right side
    299,325.02x = 54,560,368,832.74
  5. Step 5: Solve for x
    x = 54,560,368,832.74/299,325.02
  6. Step 6: Final answer
    x = 182,278.01

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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.