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Finding the Fourth Proportional to 554,952, 765,834.44 and 300,303.19

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Solution

The fourth proportional to 554,952, 765,834.44 and 300,303.19 is: 414,418.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,952 : 765,834.44 = 300,303.19 : x
  2. Step 2: Convert to fraction form
    554,952/765,834.44 = 300,303.19/x
  3. Step 3: Cross multiply
    554,952x = 765,834.44 × 300,303.19
  4. Step 4: Simplify right side
    554,952x = 229,982,524,180.04
  5. Step 5: Solve for x
    x = 229,982,524,180.04/554,952
  6. Step 6: Final answer
    x = 414,418.77

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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.