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Finding the Fourth Proportional to 1,763.78, 2,646.24 and 594.35

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Solution

The fourth proportional to 1,763.78, 2,646.24 and 594.35 is: 891.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.78 : 2,646.24 = 594.35 : x
  2. Step 2: Convert to fraction form
    1,763.78/2,646.24 = 594.35/x
  3. Step 3: Cross multiply
    1,763.78x = 2,646.24 × 594.35
  4. Step 4: Simplify right side
    1,763.78x = 1,572,792.74
  5. Step 5: Solve for x
    x = 1,572,792.74/1,763.78
  6. Step 6: Final answer
    x = 891.72

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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.