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Finding the Fourth Proportional to 604,407.15, 907,029.90 and 454,962.15

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Solution

The fourth proportional to 604,407.15, 907,029.90 and 454,962.15 is: 682,758.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,407.15 : 907,029.90 = 454,962.15 : x
  2. Step 2: Convert to fraction form
    604,407.15/907,029.90 = 454,962.15/x
  3. Step 3: Cross multiply
    604,407.15x = 907,029.90 × 454,962.15
  4. Step 4: Simplify right side
    604,407.15x = 412,664,273,418.29
  5. Step 5: Solve for x
    x = 412,664,273,418.29/604,407.15
  6. Step 6: Final answer
    x = 682,758.76

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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.