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Finding the Fourth Proportional to 605,520.20, 907,502.70 and 464,580.20

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Solution

The fourth proportional to 605,520.20, 907,502.70 and 464,580.20 is: 696,273.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,520.20 : 907,502.70 = 464,580.20 : x
  2. Step 2: Convert to fraction form
    605,520.20/907,502.70 = 464,580.20/x
  3. Step 3: Cross multiply
    605,520.20x = 907,502.70 × 464,580.20
  4. Step 4: Simplify right side
    605,520.20x = 421,607,785,866.54
  5. Step 5: Solve for x
    x = 421,607,785,866.54/605,520.20
  6. Step 6: Final answer
    x = 696,273.69

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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.