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Finding the Fourth Proportional to 556,260.62, 834,426.16 and 214,866.88

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Solution

The fourth proportional to 556,260.62, 834,426.16 and 214,866.88 is: 322,313.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,260.62 : 834,426.16 = 214,866.88 : x
  2. Step 2: Convert to fraction form
    556,260.62/834,426.16 = 214,866.88/x
  3. Step 3: Cross multiply
    556,260.62x = 834,426.16 × 214,866.88
  4. Step 4: Simplify right side
    556,260.62x = 179,290,542,966.35
  5. Step 5: Solve for x
    x = 179,290,542,966.35/556,260.62
  6. Step 6: Final answer
    x = 322,313.93

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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.