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Finding the Fourth Proportional to 1,065.47, 1,598.25 and 335.03

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Solution

The fourth proportional to 1,065.47, 1,598.25 and 335.03 is: 502.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065.47 : 1,598.25 = 335.03 : x
  2. Step 2: Convert to fraction form
    1,065.47/1,598.25 = 335.03/x
  3. Step 3: Cross multiply
    1,065.47x = 1,598.25 × 335.03
  4. Step 4: Simplify right side
    1,065.47x = 535,461.70
  5. Step 5: Solve for x
    x = 535,461.70/1,065.47
  6. Step 6: Final answer
    x = 502.56

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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.