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Finding the Fourth Proportional to 388,591.66, 582,966.06 and 163,952.63

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Solution

The fourth proportional to 388,591.66, 582,966.06 and 163,952.63 is: 245,962.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,591.66 : 582,966.06 = 163,952.63 : x
  2. Step 2: Convert to fraction form
    388,591.66/582,966.06 = 163,952.63/x
  3. Step 3: Cross multiply
    388,591.66x = 582,966.06 × 163,952.63
  4. Step 4: Simplify right side
    388,591.66x = 95,578,818,737.74
  5. Step 5: Solve for x
    x = 95,578,818,737.74/388,591.66
  6. Step 6: Final answer
    x = 245,962.09

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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.