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Finding the Fourth Proportional to 907.36, 1,251.36 and 592.50

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Solution

The fourth proportional to 907.36, 1,251.36 and 592.50 is: 817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.36 : 1,251.36 = 592.50 : x
  2. Step 2: Convert to fraction form
    907.36/1,251.36 = 592.50/x
  3. Step 3: Cross multiply
    907.36x = 1,251.36 × 592.50
  4. Step 4: Simplify right side
    907.36x = 741,430.80
  5. Step 5: Solve for x
    x = 741,430.80/907.36
  6. Step 6: Final answer
    x = 817.13

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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.