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Finding the Fourth Proportional to 333,449.56, 500,023.05 and 143,820.31

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Solution

The fourth proportional to 333,449.56, 500,023.05 and 143,820.31 is: 215,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,449.56 : 500,023.05 = 143,820.31 : x
  2. Step 2: Convert to fraction form
    333,449.56/500,023.05 = 143,820.31/x
  3. Step 3: Cross multiply
    333,449.56x = 500,023.05 × 143,820.31
  4. Step 4: Simplify right side
    333,449.56x = 71,913,470,058.15
  5. Step 5: Solve for x
    x = 71,913,470,058.15/333,449.56
  6. Step 6: Final answer
    x = 215,665.21

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1.5x scale

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.