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Finding the Fourth Proportional to 499,386.72, 749,154.64 and 183,819.64

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Solution

The fourth proportional to 499,386.72, 749,154.64 and 183,819.64 is: 275,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,386.72 : 749,154.64 = 183,819.64 : x
  2. Step 2: Convert to fraction form
    499,386.72/749,154.64 = 183,819.64/x
  3. Step 3: Cross multiply
    499,386.72x = 749,154.64 × 183,819.64
  4. Step 4: Simplify right side
    499,386.72x = 137,709,336,229.13
  5. Step 5: Solve for x
    x = 137,709,336,229.13/499,386.72
  6. Step 6: Final answer
    x = 275,756.90

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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.