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Finding the Fourth Proportional to 1,110.07, 1,666.14 and 590.68

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Solution

The fourth proportional to 1,110.07, 1,666.14 and 590.68 is: 886.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.07 : 1,666.14 = 590.68 : x
  2. Step 2: Convert to fraction form
    1,110.07/1,666.14 = 590.68/x
  3. Step 3: Cross multiply
    1,110.07x = 1,666.14 × 590.68
  4. Step 4: Simplify right side
    1,110.07x = 984,155.58
  5. Step 5: Solve for x
    x = 984,155.58/1,110.07
  6. Step 6: Final answer
    x = 886.57

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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.