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Finding the Fourth Proportional to 907.24, 1,360.22 and 565.16

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Solution

The fourth proportional to 907.24, 1,360.22 and 565.16 is: 847.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.24 : 1,360.22 = 565.16 : x
  2. Step 2: Convert to fraction form
    907.24/1,360.22 = 565.16/x
  3. Step 3: Cross multiply
    907.24x = 1,360.22 × 565.16
  4. Step 4: Simplify right side
    907.24x = 768,741.94
  5. Step 5: Solve for x
    x = 768,741.94/907.24
  6. Step 6: Final answer
    x = 847.34

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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.