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Finding the Fourth Proportional to 741.72, 1,113.60 and 467.00

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Solution

The fourth proportional to 741.72, 1,113.60 and 467.00 is: 701.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    741.72 : 1,113.60 = 467.00 : x
  2. Step 2: Convert to fraction form
    741.72/1,113.60 = 467.00/x
  3. Step 3: Cross multiply
    741.72x = 1,113.60 × 467.00
  4. Step 4: Simplify right side
    741.72x = 520,045.63
  5. Step 5: Solve for x
    x = 520,045.63/741.72
  6. Step 6: Final answer
    x = 701.13

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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.