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Finding the Fourth Proportional to 436,237.80, 654,356.70 and 246,503.40

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Solution

The fourth proportional to 436,237.80, 654,356.70 and 246,503.40 is: 369,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,237.80 : 654,356.70 = 246,503.40 : x
  2. Step 2: Convert to fraction form
    436,237.80/654,356.70 = 246,503.40/x
  3. Step 3: Cross multiply
    436,237.80x = 654,356.70 × 246,503.40
  4. Step 4: Simplify right side
    436,237.80x = 161,301,151,362.78
  5. Step 5: Solve for x
    x = 161,301,151,362.78/436,237.80
  6. Step 6: Final answer
    x = 369,755.10

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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.