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Finding the Fourth Proportional to 501,487.39, 747,018.93 and 474,324.31

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Solution

The fourth proportional to 501,487.39, 747,018.93 and 474,324.31 is: 706,556.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,487.39 : 747,018.93 = 474,324.31 : x
  2. Step 2: Convert to fraction form
    501,487.39/747,018.93 = 474,324.31/x
  3. Step 3: Cross multiply
    501,487.39x = 747,018.93 × 474,324.31
  4. Step 4: Simplify right side
    501,487.39x = 354,329,238,529.19
  5. Step 5: Solve for x
    x = 354,329,238,529.19/501,487.39
  6. Step 6: Final answer
    x = 706,556.63

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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.