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Finding the Fourth Proportional to 592,797.14, 817,836.75 and 388,960.58

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Solution

The fourth proportional to 592,797.14, 817,836.75 and 388,960.58 is: 536,619.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,797.14 : 817,836.75 = 388,960.58 : x
  2. Step 2: Convert to fraction form
    592,797.14/817,836.75 = 388,960.58/x
  3. Step 3: Cross multiply
    592,797.14x = 817,836.75 × 388,960.58
  4. Step 4: Simplify right side
    592,797.14x = 318,106,256,625.32
  5. Step 5: Solve for x
    x = 318,106,256,625.32/592,797.14
  6. Step 6: Final answer
    x = 536,619.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.