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Finding the Fourth Proportional to 501,486.39, 747,017.44 and 474,323.31

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Solution

The fourth proportional to 501,486.39, 747,017.44 and 474,323.31 is: 706,555.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,486.39 : 747,017.44 = 474,323.31 : x
  2. Step 2: Convert to fraction form
    501,486.39/747,017.44 = 474,323.31/x
  3. Step 3: Cross multiply
    501,486.39x = 747,017.44 × 474,323.31
  4. Step 4: Simplify right side
    501,486.39x = 354,327,783,582.72
  5. Step 5: Solve for x
    x = 354,327,783,582.72/501,486.39
  6. Step 6: Final answer
    x = 706,555.13

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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.