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Finding the Fourth Proportional to 1,048.90, 1,574.57 and 562.90

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Solution

The fourth proportional to 1,048.90, 1,574.57 and 562.90 is: 845.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048.90 : 1,574.57 = 562.90 : x
  2. Step 2: Convert to fraction form
    1,048.90/1,574.57 = 562.90/x
  3. Step 3: Cross multiply
    1,048.90x = 1,574.57 × 562.90
  4. Step 4: Simplify right side
    1,048.90x = 886,322.64
  5. Step 5: Solve for x
    x = 886,322.64/1,048.90
  6. Step 6: Final answer
    x = 845.00

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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.