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Finding the Fourth Proportional to 436,427.80, 654,123.30 and 183,707.80

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Solution

The fourth proportional to 436,427.80, 654,123.30 and 183,707.80 is: 275,343.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,427.80 : 654,123.30 = 183,707.80 : x
  2. Step 2: Convert to fraction form
    436,427.80/654,123.30 = 183,707.80/x
  3. Step 3: Cross multiply
    436,427.80x = 654,123.30 × 183,707.80
  4. Step 4: Simplify right side
    436,427.80x = 120,167,552,371.74
  5. Step 5: Solve for x
    x = 120,167,552,371.74/436,427.80
  6. Step 6: Final answer
    x = 275,343.49

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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.