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Finding the Fourth Proportional to 1,575.99, 2,363.78 and 536.00

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Solution

The fourth proportional to 1,575.99, 2,363.78 and 536.00 is: 803.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.99 : 2,363.78 = 536.00 : x
  2. Step 2: Convert to fraction form
    1,575.99/2,363.78 = 536.00/x
  3. Step 3: Cross multiply
    1,575.99x = 2,363.78 × 536.00
  4. Step 4: Simplify right side
    1,575.99x = 1,266,975.60
  5. Step 5: Solve for x
    x = 1,266,975.60/1,575.99
  6. Step 6: Final answer
    x = 803.92

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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.