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Finding the Fourth Proportional to 604,660.80, 907,689.60 and 324,724.80

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Solution

The fourth proportional to 604,660.80, 907,689.60 and 324,724.80 is: 487,462.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,660.80 : 907,689.60 = 324,724.80 : x
  2. Step 2: Convert to fraction form
    604,660.80/907,689.60 = 324,724.80/x
  3. Step 3: Cross multiply
    604,660.80x = 907,689.60 × 324,724.80
  4. Step 4: Simplify right side
    604,660.80x = 294,749,323,822.08
  5. Step 5: Solve for x
    x = 294,749,323,822.08/604,660.80
  6. Step 6: Final answer
    x = 487,462.27

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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.