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Finding the Fourth Proportional to 440,993.34, 661,551.84 and 141,403.50

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Solution

The fourth proportional to 440,993.34, 661,551.84 and 141,403.50 is: 212,125.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,993.34 : 661,551.84 = 141,403.50 : x
  2. Step 2: Convert to fraction form
    440,993.34/661,551.84 = 141,403.50/x
  3. Step 3: Cross multiply
    440,993.34x = 661,551.84 × 141,403.50
  4. Step 4: Simplify right side
    440,993.34x = 93,545,745,607.44
  5. Step 5: Solve for x
    x = 93,545,745,607.44/440,993.34
  6. Step 6: Final answer
    x = 212,125.08

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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.