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Finding the Fourth Proportional to 449,147.66, 673,575.54 and 149,547.56

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Solution

The fourth proportional to 449,147.66, 673,575.54 and 149,547.56 is: 224,272.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,147.66 : 673,575.54 = 149,547.56 : x
  2. Step 2: Convert to fraction form
    449,147.66/673,575.54 = 149,547.56/x
  3. Step 3: Cross multiply
    449,147.66x = 673,575.54 × 149,547.56
  4. Step 4: Simplify right side
    449,147.66x = 100,731,578,482.68
  5. Step 5: Solve for x
    x = 100,731,578,482.68/449,147.66
  6. Step 6: Final answer
    x = 224,272.74

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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.