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Finding the Fourth Proportional to 333,579.34, 500,364.58 and 80,862.05

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Solution

The fourth proportional to 333,579.34, 500,364.58 and 80,862.05 is: 121,291.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,579.34 : 500,364.58 = 80,862.05 : x
  2. Step 2: Convert to fraction form
    333,579.34/500,364.58 = 80,862.05/x
  3. Step 3: Cross multiply
    333,579.34x = 500,364.58 × 80,862.05
  4. Step 4: Simplify right side
    333,579.34x = 40,460,502,982.21
  5. Step 5: Solve for x
    x = 40,460,502,982.21/333,579.34
  6. Step 6: Final answer
    x = 121,291.99

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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.