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Finding the Fourth Proportional to 1,574.00, 2,360.80 and 533.96

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Solution

The fourth proportional to 1,574.00, 2,360.80 and 533.96 is: 800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.00 : 2,360.80 = 533.96 : x
  2. Step 2: Convert to fraction form
    1,574.00/2,360.80 = 533.96/x
  3. Step 3: Cross multiply
    1,574.00x = 2,360.80 × 533.96
  4. Step 4: Simplify right side
    1,574.00x = 1,260,567.48
  5. Step 5: Solve for x
    x = 1,260,567.48/1,574.00
  6. Step 6: Final answer
    x = 800.87

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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.