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Finding the Fourth Proportional to 907.83, 1,360.22 and 583.02

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Solution

The fourth proportional to 907.83, 1,360.22 and 583.02 is: 873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.83 : 1,360.22 = 583.02 : x
  2. Step 2: Convert to fraction form
    907.83/1,360.22 = 583.02/x
  3. Step 3: Cross multiply
    907.83x = 1,360.22 × 583.02
  4. Step 4: Simplify right side
    907.83x = 793,032.55
  5. Step 5: Solve for x
    x = 793,032.55/907.83
  6. Step 6: Final answer
    x = 873.55

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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.