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Finding the Fourth Proportional to 1,032.94, 1,425.46 and 567.20

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Solution

The fourth proportional to 1,032.94, 1,425.46 and 567.20 is: 782.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.94 : 1,425.46 = 567.20 : x
  2. Step 2: Convert to fraction form
    1,032.94/1,425.46 = 567.20/x
  3. Step 3: Cross multiply
    1,032.94x = 1,425.46 × 567.20
  4. Step 4: Simplify right side
    1,032.94x = 808,520.91
  5. Step 5: Solve for x
    x = 808,520.91/1,032.94
  6. Step 6: Final answer
    x = 782.74

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Why These Related Problems?

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