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Finding the Fourth Proportional to 604,539.10, 906,031.05 and 367,630.30

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Solution

The fourth proportional to 604,539.10, 906,031.05 and 367,630.30 is: 550,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,539.10 : 906,031.05 = 367,630.30 : x
  2. Step 2: Convert to fraction form
    604,539.10/906,031.05 = 367,630.30/x
  3. Step 3: Cross multiply
    604,539.10x = 906,031.05 × 367,630.30
  4. Step 4: Simplify right side
    604,539.10x = 333,084,466,720.82
  5. Step 5: Solve for x
    x = 333,084,466,720.82/604,539.10
  6. Step 6: Final answer
    x = 550,972.58

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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.