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Finding the Fourth Proportional to 1,459.80, 2,189.88 and 594

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Solution

The fourth proportional to 1,459.80, 2,189.88 and 594 is: 891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.80 : 2,189.88 = 594 : x
  2. Step 2: Convert to fraction form
    1,459.80/2,189.88 = 594/x
  3. Step 3: Cross multiply
    1,459.80x = 2,189.88 × 594
  4. Step 4: Simplify right side
    1,459.80x = 1,300,788.72
  5. Step 5: Solve for x
    x = 1,300,788.72/1,459.80
  6. Step 6: Final answer
    x = 891.07

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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.