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Finding the Fourth Proportional to 978,425.77, 1,467,988.24 and 594,954.81

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Solution

The fourth proportional to 978,425.77, 1,467,988.24 and 594,954.81 is: 892,644.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,425.77 : 1,467,988.24 = 594,954.81 : x
  2. Step 2: Convert to fraction form
    978,425.77/1,467,988.24 = 594,954.81/x
  3. Step 3: Cross multiply
    978,425.77x = 1,467,988.24 × 594,954.81
  4. Step 4: Simplify right side
    978,425.77x = 873,386,664,411.44
  5. Step 5: Solve for x
    x = 873,386,664,411.44/978,425.77
  6. Step 6: Final answer
    x = 892,644.79

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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.