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Finding the Fourth Proportional to 499,491.66, 747,394.29 and 299,933.58

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Solution

The fourth proportional to 499,491.66, 747,394.29 and 299,933.58 is: 448,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,491.66 : 747,394.29 = 299,933.58 : x
  2. Step 2: Convert to fraction form
    499,491.66/747,394.29 = 299,933.58/x
  3. Step 3: Cross multiply
    499,491.66x = 747,394.29 × 299,933.58
  4. Step 4: Simplify right side
    499,491.66x = 224,168,645,071.26
  5. Step 5: Solve for x
    x = 224,168,645,071.26/499,491.66
  6. Step 6: Final answer
    x = 448,793.57

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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.