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Finding the Fourth Proportional to 1,502.68, 2,252.95 and 577.45

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Solution

The fourth proportional to 1,502.68, 2,252.95 and 577.45 is: 865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.68 : 2,252.95 = 577.45 : x
  2. Step 2: Convert to fraction form
    1,502.68/2,252.95 = 577.45/x
  3. Step 3: Cross multiply
    1,502.68x = 2,252.95 × 577.45
  4. Step 4: Simplify right side
    1,502.68x = 1,300,963.09
  5. Step 5: Solve for x
    x = 1,300,963.09/1,502.68
  6. Step 6: Final answer
    x = 865.76

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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.