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Finding the Fourth Proportional to 604,142.10, 905,435.55 and 367,233.30

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Solution

The fourth proportional to 604,142.10, 905,435.55 and 367,233.30 is: 550,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,142.10 : 905,435.55 = 367,233.30 : x
  2. Step 2: Convert to fraction form
    604,142.10/905,435.55 = 367,233.30/x
  3. Step 3: Cross multiply
    604,142.10x = 905,435.55 × 367,233.30
  4. Step 4: Simplify right side
    604,142.10x = 332,506,084,963.82
  5. Step 5: Solve for x
    x = 332,506,084,963.82/604,142.10
  6. Step 6: Final answer
    x = 550,377.28

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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.