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Finding the Fourth Proportional to 534,694.77, 802,143.30 and 214,871.54

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Solution

The fourth proportional to 534,694.77, 802,143.30 and 214,871.54 is: 322,347.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,694.77 : 802,143.30 = 214,871.54 : x
  2. Step 2: Convert to fraction form
    534,694.77/802,143.30 = 214,871.54/x
  3. Step 3: Cross multiply
    534,694.77x = 802,143.30 × 214,871.54
  4. Step 4: Simplify right side
    534,694.77x = 172,357,762,966.73
  5. Step 5: Solve for x
    x = 172,357,762,966.73/534,694.77
  6. Step 6: Final answer
    x = 322,347.95

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1.5x scale

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.