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Finding the Fourth Proportional to 554,353.99, 765,008.57 and 299,705.11

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Solution

The fourth proportional to 554,353.99, 765,008.57 and 299,705.11 is: 413,593.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,353.99 : 765,008.57 = 299,705.11 : x
  2. Step 2: Convert to fraction form
    554,353.99/765,008.57 = 299,705.11/x
  3. Step 3: Cross multiply
    554,353.99x = 765,008.57 × 299,705.11
  4. Step 4: Simplify right side
    554,353.99x = 229,276,976,124.27
  5. Step 5: Solve for x
    x = 229,276,976,124.27/554,353.99
  6. Step 6: Final answer
    x = 413,593.08

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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.