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Finding the Fourth Proportional to 551,093.60, 826,640.40 and 495,106.40

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Solution

The fourth proportional to 551,093.60, 826,640.40 and 495,106.40 is: 742,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,093.60 : 826,640.40 = 495,106.40 : x
  2. Step 2: Convert to fraction form
    551,093.60/826,640.40 = 495,106.40/x
  3. Step 3: Cross multiply
    551,093.60x = 826,640.40 × 495,106.40
  4. Step 4: Simplify right side
    551,093.60x = 409,274,952,538.56
  5. Step 5: Solve for x
    x = 409,274,952,538.56/551,093.60
  6. Step 6: Final answer
    x = 742,659.60

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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.