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Finding the Fourth Proportional to 469,384.11, 703,794.99 and 149,397.76

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Solution

The fourth proportional to 469,384.11, 703,794.99 and 149,397.76 is: 224,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,384.11 : 703,794.99 = 149,397.76 : x
  2. Step 2: Convert to fraction form
    469,384.11/703,794.99 = 149,397.76/x
  3. Step 3: Cross multiply
    469,384.11x = 703,794.99 × 149,397.76
  4. Step 4: Simplify right side
    469,384.11x = 105,145,395,005.22
  5. Step 5: Solve for x
    x = 105,145,395,005.22/469,384.11
  6. Step 6: Final answer
    x = 224,007.15

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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.