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Finding the Fourth Proportional to 603,203.20, 832,743.59 and 465,080.45

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Solution

The fourth proportional to 603,203.20, 832,743.59 and 465,080.45 is: 642,060.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,203.20 : 832,743.59 = 465,080.45 : x
  2. Step 2: Convert to fraction form
    603,203.20/832,743.59 = 465,080.45/x
  3. Step 3: Cross multiply
    603,203.20x = 832,743.59 × 465,080.45
  4. Step 4: Simplify right side
    603,203.20x = 387,292,761,246.41
  5. Step 5: Solve for x
    x = 387,292,761,246.41/603,203.20
  6. Step 6: Final answer
    x = 642,060.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.