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Finding the Fourth Proportional to 603,407.20, 904,333.20 and 462,467.20

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Solution

The fourth proportional to 603,407.20, 904,333.20 and 462,467.20 is: 693,104.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,407.20 : 904,333.20 = 462,467.20 : x
  2. Step 2: Convert to fraction form
    603,407.20/904,333.20 = 462,467.20/x
  3. Step 3: Cross multiply
    603,407.20x = 904,333.20 × 462,467.20
  4. Step 4: Simplify right side
    603,407.20x = 418,224,442,871.04
  5. Step 5: Solve for x
    x = 418,224,442,871.04/603,407.20
  6. Step 6: Final answer
    x = 693,104.83

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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.