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Finding the Fourth Proportional to 1,494.69, 2,242.39 and 468.69

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Solution

The fourth proportional to 1,494.69, 2,242.39 and 468.69 is: 703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.69 : 2,242.39 = 468.69 : x
  2. Step 2: Convert to fraction form
    1,494.69/2,242.39 = 468.69/x
  3. Step 3: Cross multiply
    1,494.69x = 2,242.39 × 468.69
  4. Step 4: Simplify right side
    1,494.69x = 1,050,985.77
  5. Step 5: Solve for x
    x = 1,050,985.77/1,494.69
  6. Step 6: Final answer
    x = 703.15

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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.