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Finding the Fourth Proportional to 484,594.89, 726,892.16 and 129,599.68

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Solution

The fourth proportional to 484,594.89, 726,892.16 and 129,599.68 is: 194,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,594.89 : 726,892.16 = 129,599.68 : x
  2. Step 2: Convert to fraction form
    484,594.89/726,892.16 = 129,599.68/x
  3. Step 3: Cross multiply
    484,594.89x = 726,892.16 × 129,599.68
  4. Step 4: Simplify right side
    484,594.89x = 94,204,991,330.51
  5. Step 5: Solve for x
    x = 94,204,991,330.51/484,594.89
  6. Step 6: Final answer
    x = 194,399.47

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1.5x scale

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.