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Finding the Fourth Proportional to 604,801.69, 907,360.16 and 225,725.57

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Solution

The fourth proportional to 604,801.69, 907,360.16 and 225,725.57 is: 338,647.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,801.69 : 907,360.16 = 225,725.57 : x
  2. Step 2: Convert to fraction form
    604,801.69/907,360.16 = 225,725.57/x
  3. Step 3: Cross multiply
    604,801.69x = 907,360.16 × 225,725.57
  4. Step 4: Simplify right side
    604,801.69x = 204,814,385,928.06
  5. Step 5: Solve for x
    x = 204,814,385,928.06/604,801.69
  6. Step 6: Final answer
    x = 338,647.18

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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.