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Finding the Fourth Proportional to 1,417.68, 2,126.40 and 596

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Solution

The fourth proportional to 1,417.68, 2,126.40 and 596 is: 893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.68 : 2,126.40 = 596 : x
  2. Step 2: Convert to fraction form
    1,417.68/2,126.40 = 596/x
  3. Step 3: Cross multiply
    1,417.68x = 2,126.40 × 596
  4. Step 4: Simplify right side
    1,417.68x = 1,267,334.40
  5. Step 5: Solve for x
    x = 1,267,334.40/1,417.68
  6. Step 6: Final answer
    x = 893.95

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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.