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Finding the Fourth Proportional to 1,160.02, 1,739.94 and 510.76

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Solution

The fourth proportional to 1,160.02, 1,739.94 and 510.76 is: 766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.02 : 1,739.94 = 510.76 : x
  2. Step 2: Convert to fraction form
    1,160.02/1,739.94 = 510.76/x
  3. Step 3: Cross multiply
    1,160.02x = 1,739.94 × 510.76
  4. Step 4: Simplify right side
    1,160.02x = 888,691.75
  5. Step 5: Solve for x
    x = 888,691.75/1,160.02
  6. Step 6: Final answer
    x = 766.10

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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.