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Finding the Fourth Proportional to 978,952.99, 1,468,254.32 and 622,909.39

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Solution

The fourth proportional to 978,952.99, 1,468,254.32 and 622,909.39 is: 934,252.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,952.99 : 1,468,254.32 = 622,909.39 : x
  2. Step 2: Convert to fraction form
    978,952.99/1,468,254.32 = 622,909.39/x
  3. Step 3: Cross multiply
    978,952.99x = 1,468,254.32 × 622,909.39
  4. Step 4: Simplify right side
    978,952.99x = 914,589,402,836.07
  5. Step 5: Solve for x
    x = 914,589,402,836.07/978,952.99
  6. Step 6: Final answer
    x = 934,252.63

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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.