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Finding the Fourth Proportional to 436,477.71, 654,876.47 and 183,821.79

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Solution

The fourth proportional to 436,477.71, 654,876.47 and 183,821.79 is: 275,800.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,477.71 : 654,876.47 = 183,821.79 : x
  2. Step 2: Convert to fraction form
    436,477.71/654,876.47 = 183,821.79/x
  3. Step 3: Cross multiply
    436,477.71x = 654,876.47 × 183,821.79
  4. Step 4: Simplify right side
    436,477.71x = 120,380,565,403.84
  5. Step 5: Solve for x
    x = 120,380,565,403.84/436,477.71
  6. Step 6: Final answer
    x = 275,800.03

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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.