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Finding the Fourth Proportional to 469,705.18, 703,671.99 and 364,007.47

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Solution

The fourth proportional to 469,705.18, 703,671.99 and 364,007.47 is: 545,324.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,705.18 : 703,671.99 = 364,007.47 : x
  2. Step 2: Convert to fraction form
    469,705.18/703,671.99 = 364,007.47/x
  3. Step 3: Cross multiply
    469,705.18x = 703,671.99 × 364,007.47
  4. Step 4: Simplify right side
    469,705.18x = 256,141,860,789.77
  5. Step 5: Solve for x
    x = 256,141,860,789.77/469,705.18
  6. Step 6: Final answer
    x = 545,324.75

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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.