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Finding the Fourth Proportional to 554,982.24, 765,875.44 and 300,333.44

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Solution

The fourth proportional to 554,982.24, 765,875.44 and 300,333.44 is: 414,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,982.24 : 765,875.44 = 300,333.44 : x
  2. Step 2: Convert to fraction form
    554,982.24/765,875.44 = 300,333.44/x
  3. Step 3: Cross multiply
    554,982.24x = 765,875.44 × 300,333.44
  4. Step 4: Simplify right side
    554,982.24x = 230,018,005,506.71
  5. Step 5: Solve for x
    x = 230,018,005,506.71/554,982.24
  6. Step 6: Final answer
    x = 414,460.12

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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.