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Finding the Fourth Proportional to 622,838.40, 934,257.60 and 591,734.40

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Solution

The fourth proportional to 622,838.40, 934,257.60 and 591,734.40 is: 887,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,838.40 : 934,257.60 = 591,734.40 : x
  2. Step 2: Convert to fraction form
    622,838.40/934,257.60 = 591,734.40/x
  3. Step 3: Cross multiply
    622,838.40x = 934,257.60 × 591,734.40
  4. Step 4: Simplify right side
    622,838.40x = 552,832,360,381.44
  5. Step 5: Solve for x
    x = 552,832,360,381.44/622,838.40
  6. Step 6: Final answer
    x = 887,601.60

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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.