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Finding the Fourth Proportional to 554,851.84, 765,695.54 and 300,203.04

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Solution

The fourth proportional to 554,851.84, 765,695.54 and 300,203.04 is: 414,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,851.84 : 765,695.54 = 300,203.04 : x
  2. Step 2: Convert to fraction form
    554,851.84/765,695.54 = 300,203.04/x
  3. Step 3: Cross multiply
    554,851.84x = 765,695.54 × 300,203.04
  4. Step 4: Simplify right side
    554,851.84x = 229,864,128,822.44
  5. Step 5: Solve for x
    x = 229,864,128,822.44/554,851.84
  6. Step 6: Final answer
    x = 414,280.20

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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.