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Finding the Fourth Proportional to 582,491.15, 873,787.20 and 177,774.40

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Solution

The fourth proportional to 582,491.15, 873,787.20 and 177,774.40 is: 266,677.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,491.15 : 873,787.20 = 177,774.40 : x
  2. Step 2: Convert to fraction form
    582,491.15/873,787.20 = 177,774.40/x
  3. Step 3: Cross multiply
    582,491.15x = 873,787.20 × 177,774.40
  4. Step 4: Simplify right side
    582,491.15x = 155,336,990,718.21
  5. Step 5: Solve for x
    x = 155,336,990,718.21/582,491.15
  6. Step 6: Final answer
    x = 266,677.00

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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.