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Finding the Fourth Proportional to 448,697.54, 672,900.67 and 149,097.71

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Solution

The fourth proportional to 448,697.54, 672,900.67 and 149,097.71 is: 223,598.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,697.54 : 672,900.67 = 149,097.71 : x
  2. Step 2: Convert to fraction form
    448,697.54/672,900.67 = 149,097.71/x
  3. Step 3: Cross multiply
    448,697.54x = 672,900.67 × 149,097.71
  4. Step 4: Simplify right side
    448,697.54x = 100,327,944,844.47
  5. Step 5: Solve for x
    x = 100,327,944,844.47/448,697.54
  6. Step 6: Final answer
    x = 223,598.16

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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.