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Finding the Fourth Proportional to 573.97, 855.98 and 560.00

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Solution

The fourth proportional to 573.97, 855.98 and 560.00 is: 835.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.97 : 855.98 = 560.00 : x
  2. Step 2: Convert to fraction form
    573.97/855.98 = 560.00/x
  3. Step 3: Cross multiply
    573.97x = 855.98 × 560.00
  4. Step 4: Simplify right side
    573.97x = 479,345.43
  5. Step 5: Solve for x
    x = 479,345.43/573.97
  6. Step 6: Final answer
    x = 835.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.