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Finding the Fourth Proportional to 741.58, 1,023.32 and 410.00

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Solution

The fourth proportional to 741.58, 1,023.32 and 410.00 is: 565.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    741.58 : 1,023.32 = 410.00 : x
  2. Step 2: Convert to fraction form
    741.58/1,023.32 = 410.00/x
  3. Step 3: Cross multiply
    741.58x = 1,023.32 × 410.00
  4. Step 4: Simplify right side
    741.58x = 419,561.71
  5. Step 5: Solve for x
    x = 419,561.71/741.58
  6. Step 6: Final answer
    x = 565.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.