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Finding the Fourth Proportional to 333,718.32, 500,579.16 and 84,400.56

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Solution

The fourth proportional to 333,718.32, 500,579.16 and 84,400.56 is: 126,601.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,718.32 : 500,579.16 = 84,400.56 : x
  2. Step 2: Convert to fraction form
    333,718.32/500,579.16 = 84,400.56/x
  3. Step 3: Cross multiply
    333,718.32x = 500,579.16 × 84,400.56
  4. Step 4: Simplify right side
    333,718.32x = 42,249,161,428.33
  5. Step 5: Solve for x
    x = 42,249,161,428.33/333,718.32
  6. Step 6: Final answer
    x = 126,601.26

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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.