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Finding the Fourth Proportional to 817,318.88, 1,225,966 and 367,722.24

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Solution

The fourth proportional to 817,318.88, 1,225,966 and 367,722.24 is: 551,577.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,318.88 : 1,225,966 = 367,722.24 : x
  2. Step 2: Convert to fraction form
    817,318.88/1,225,966 = 367,722.24/x
  3. Step 3: Cross multiply
    817,318.88x = 1,225,966 × 367,722.24
  4. Step 4: Simplify right side
    817,318.88x = 450,814,963,683.84
  5. Step 5: Solve for x
    x = 450,814,963,683.84/817,318.88
  6. Step 6: Final answer
    x = 551,577.82

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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.