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Finding the Fourth Proportional to 592,378.42, 888,022.48 and 322,111.71

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Solution

The fourth proportional to 592,378.42, 888,022.48 and 322,111.71 is: 482,871.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,378.42 : 888,022.48 = 322,111.71 : x
  2. Step 2: Convert to fraction form
    592,378.42/888,022.48 = 322,111.71/x
  3. Step 3: Cross multiply
    592,378.42x = 888,022.48 × 322,111.71
  4. Step 4: Simplify right side
    592,378.42x = 286,042,439,551.24
  5. Step 5: Solve for x
    x = 286,042,439,551.24/592,378.42
  6. Step 6: Final answer
    x = 482,871.13

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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.