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Finding the Fourth Proportional to 333,038.88, 499,444.92 and 108,343.44

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Solution

The fourth proportional to 333,038.88, 499,444.92 and 108,343.44 is: 162,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,038.88 : 499,444.92 = 108,343.44 : x
  2. Step 2: Convert to fraction form
    333,038.88/499,444.92 = 108,343.44/x
  3. Step 3: Cross multiply
    333,038.88x = 499,444.92 × 108,343.44
  4. Step 4: Simplify right side
    333,038.88x = 54,111,580,723.32
  5. Step 5: Solve for x
    x = 54,111,580,723.32/333,038.88
  6. Step 6: Final answer
    x = 162,478.27

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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.