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Finding the Fourth Proportional to 1,710.02, 2,565.05 and 614.41

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Solution

The fourth proportional to 1,710.02, 2,565.05 and 614.41 is: 921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710.02 : 2,565.05 = 614.41 : x
  2. Step 2: Convert to fraction form
    1,710.02/2,565.05 = 614.41/x
  3. Step 3: Cross multiply
    1,710.02x = 2,565.05 × 614.41
  4. Step 4: Simplify right side
    1,710.02x = 1,575,996.15
  5. Step 5: Solve for x
    x = 1,575,996.15/1,710.02
  6. Step 6: Final answer
    x = 921.63

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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.