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Finding the Fourth Proportional to 554,989.96, 765,888.54 and 300,341.14

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Solution

The fourth proportional to 554,989.96, 765,888.54 and 300,341.14 is: 414,472.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,989.96 : 765,888.54 = 300,341.14 : x
  2. Step 2: Convert to fraction form
    554,989.96/765,888.54 = 300,341.14/x
  3. Step 3: Cross multiply
    554,989.96x = 765,888.54 × 300,341.14
  4. Step 4: Simplify right side
    554,989.96x = 230,027,837,216.54
  5. Step 5: Solve for x
    x = 230,027,837,216.54/554,989.96
  6. Step 6: Final answer
    x = 414,472.07

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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.