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Finding the Fourth Proportional to 501,503.64, 747,043.11 and 474,340.56

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Solution

The fourth proportional to 501,503.64, 747,043.11 and 474,340.56 is: 706,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,503.64 : 747,043.11 = 474,340.56 : x
  2. Step 2: Convert to fraction form
    501,503.64/747,043.11 = 474,340.56/x
  3. Step 3: Cross multiply
    501,503.64x = 747,043.11 × 474,340.56
  4. Step 4: Simplify right side
    501,503.64x = 354,352,847,141.54
  5. Step 5: Solve for x
    x = 354,352,847,141.54/501,503.64
  6. Step 6: Final answer
    x = 706,580.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.