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Finding the Fourth Proportional to 1,495.72, 2,242.14 and 469.48

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Solution

The fourth proportional to 1,495.72, 2,242.14 and 469.48 is: 703.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.72 : 2,242.14 = 469.48 : x
  2. Step 2: Convert to fraction form
    1,495.72/2,242.14 = 469.48/x
  3. Step 3: Cross multiply
    1,495.72x = 2,242.14 × 469.48
  4. Step 4: Simplify right side
    1,495.72x = 1,052,639.89
  5. Step 5: Solve for x
    x = 1,052,639.89/1,495.72
  6. Step 6: Final answer
    x = 703.77

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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.