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Finding the Fourth Proportional to 440,750.77, 661,126.14 and 290,955.96

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Solution

The fourth proportional to 440,750.77, 661,126.14 and 290,955.96 is: 436,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,750.77 : 661,126.14 = 290,955.96 : x
  2. Step 2: Convert to fraction form
    440,750.77/661,126.14 = 290,955.96/x
  3. Step 3: Cross multiply
    440,750.77x = 661,126.14 × 290,955.96
  4. Step 4: Simplify right side
    440,750.77x = 192,358,590,744.79
  5. Step 5: Solve for x
    x = 192,358,590,744.79/440,750.77
  6. Step 6: Final answer
    x = 436,433.93

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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.