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Finding the Fourth Proportional to 554,732, 765,525.60 and 300,083.84

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Solution

The fourth proportional to 554,732, 765,525.60 and 300,083.84 is: 414,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,732 : 765,525.60 = 300,083.84 : x
  2. Step 2: Convert to fraction form
    554,732/765,525.60 = 300,083.84/x
  3. Step 3: Cross multiply
    554,732x = 765,525.60 × 300,083.84
  4. Step 4: Simplify right side
    554,732x = 229,721,861,666.30
  5. Step 5: Solve for x
    x = 229,721,861,666.30/554,732
  6. Step 6: Final answer
    x = 414,113.23

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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.