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Finding the Fourth Proportional to 1,026.52, 1,416.58 and 560.76

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Solution

The fourth proportional to 1,026.52, 1,416.58 and 560.76 is: 773.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.52 : 1,416.58 = 560.76 : x
  2. Step 2: Convert to fraction form
    1,026.52/1,416.58 = 560.76/x
  3. Step 3: Cross multiply
    1,026.52x = 1,416.58 × 560.76
  4. Step 4: Simplify right side
    1,026.52x = 794,361.40
  5. Step 5: Solve for x
    x = 794,361.40/1,026.52
  6. Step 6: Final answer
    x = 773.84

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1.5x scale

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.