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Finding the Fourth Proportional to 556,266.75, 834,432.41 and 214,712.13

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Solution

The fourth proportional to 556,266.75, 834,432.41 and 214,712.13 is: 322,080.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,266.75 : 834,432.41 = 214,712.13 : x
  2. Step 2: Convert to fraction form
    556,266.75/834,432.41 = 214,712.13/x
  3. Step 3: Cross multiply
    556,266.75x = 834,432.41 × 214,712.13
  4. Step 4: Simplify right side
    556,266.75x = 179,162,759,018.57
  5. Step 5: Solve for x
    x = 179,162,759,018.57/556,266.75
  6. Step 6: Final answer
    x = 322,080.65

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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.