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Finding the Fourth Proportional to 487,224.60, 730,577.70 and 206,424.60

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Solution

The fourth proportional to 487,224.60, 730,577.70 and 206,424.60 is: 309,527.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,224.60 : 730,577.70 = 206,424.60 : x
  2. Step 2: Convert to fraction form
    487,224.60/730,577.70 = 206,424.60/x
  3. Step 3: Cross multiply
    487,224.60x = 730,577.70 × 206,424.60
  4. Step 4: Simplify right side
    487,224.60x = 150,809,209,491.42
  5. Step 5: Solve for x
    x = 150,809,209,491.42/487,224.60
  6. Step 6: Final answer
    x = 309,527.08

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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.