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Finding the Fourth Proportional to 1,332.02, 1,997.97 and 510.68

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Solution

The fourth proportional to 1,332.02, 1,997.97 and 510.68 is: 766.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.02 : 1,997.97 = 510.68 : x
  2. Step 2: Convert to fraction form
    1,332.02/1,997.97 = 510.68/x
  3. Step 3: Cross multiply
    1,332.02x = 1,997.97 × 510.68
  4. Step 4: Simplify right side
    1,332.02x = 1,020,323.32
  5. Step 5: Solve for x
    x = 1,020,323.32/1,332.02
  6. Step 6: Final answer
    x = 766.00

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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.