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Finding the Fourth Proportional to 604,648.80, 907,671.60 and 324,712.80

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Solution

The fourth proportional to 604,648.80, 907,671.60 and 324,712.80 is: 487,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,648.80 : 907,671.60 = 324,712.80 : x
  2. Step 2: Convert to fraction form
    604,648.80/907,671.60 = 324,712.80/x
  3. Step 3: Cross multiply
    604,648.80x = 907,671.60 × 324,712.80
  4. Step 4: Simplify right side
    604,648.80x = 294,732,586,716.48
  5. Step 5: Solve for x
    x = 294,732,586,716.48/604,648.80
  6. Step 6: Final answer
    x = 487,444.26

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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.