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Finding the Fourth Proportional to 570.71, 787.59 and 322.04

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Solution

The fourth proportional to 570.71, 787.59 and 322.04 is: 444.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    570.71 : 787.59 = 322.04 : x
  2. Step 2: Convert to fraction form
    570.71/787.59 = 322.04/x
  3. Step 3: Cross multiply
    570.71x = 787.59 × 322.04
  4. Step 4: Simplify right side
    570.71x = 253,637.45
  5. Step 5: Solve for x
    x = 253,637.45/570.71
  6. Step 6: Final answer
    x = 444.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.