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Finding the Fourth Proportional to 907.58, 1,251.24 and 592.22

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Solution

The fourth proportional to 907.58, 1,251.24 and 592.22 is: 816.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.58 : 1,251.24 = 592.22 : x
  2. Step 2: Convert to fraction form
    907.58/1,251.24 = 592.22/x
  3. Step 3: Cross multiply
    907.58x = 1,251.24 × 592.22
  4. Step 4: Simplify right side
    907.58x = 741,009.35
  5. Step 5: Solve for x
    x = 741,009.35/907.58
  6. Step 6: Final answer
    x = 816.47

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.