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Finding the Fourth Proportional to 704.88, 1,055.52 and 473.52

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Solution

The fourth proportional to 704.88, 1,055.52 and 473.52 is: 709.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.88 : 1,055.52 = 473.52 : x
  2. Step 2: Convert to fraction form
    704.88/1,055.52 = 473.52/x
  3. Step 3: Cross multiply
    704.88x = 1,055.52 × 473.52
  4. Step 4: Simplify right side
    704.88x = 499,809.83
  5. Step 5: Solve for x
    x = 499,809.83/704.88
  6. Step 6: Final answer
    x = 709.07

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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.