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Finding the Fourth Proportional to 333,438.48, 499,083.75 and 219,680.22

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Solution

The fourth proportional to 333,438.48, 499,083.75 and 219,680.22 is: 328,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,438.48 : 499,083.75 = 219,680.22 : x
  2. Step 2: Convert to fraction form
    333,438.48/499,083.75 = 219,680.22/x
  3. Step 3: Cross multiply
    333,438.48x = 499,083.75 × 219,680.22
  4. Step 4: Simplify right side
    333,438.48x = 109,638,827,998.43
  5. Step 5: Solve for x
    x = 109,638,827,998.43/333,438.48
  6. Step 6: Final answer
    x = 328,812.76

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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.