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Finding the Fourth Proportional to 554,483.96, 765,187.89 and 299,835.14

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Solution

The fourth proportional to 554,483.96, 765,187.89 and 299,835.14 is: 413,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,483.96 : 765,187.89 = 299,835.14 : x
  2. Step 2: Convert to fraction form
    554,483.96/765,187.89 = 299,835.14/x
  3. Step 3: Cross multiply
    554,483.96x = 765,187.89 × 299,835.14
  4. Step 4: Simplify right side
    554,483.96x = 229,430,218,124.46
  5. Step 5: Solve for x
    x = 229,430,218,124.46/554,483.96
  6. Step 6: Final answer
    x = 413,772.51

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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.