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Finding the Fourth Proportional to 441,999.74, 663,329.57 and 299,507.01

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Solution

The fourth proportional to 441,999.74, 663,329.57 and 299,507.01 is: 449,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,999.74 : 663,329.57 = 299,507.01 : x
  2. Step 2: Convert to fraction form
    441,999.74/663,329.57 = 299,507.01/x
  3. Step 3: Cross multiply
    441,999.74x = 663,329.57 × 299,507.01
  4. Step 4: Simplify right side
    441,999.74x = 198,671,854,657.75
  5. Step 5: Solve for x
    x = 198,671,854,657.75/441,999.74
  6. Step 6: Final answer
    x = 449,484.10

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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.