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Finding the Fourth Proportional to 554,852.14, 765,695.94 and 300,203.32

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Solution

The fourth proportional to 554,852.14, 765,695.94 and 300,203.32 is: 414,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,852.14 : 765,695.94 = 300,203.32 : x
  2. Step 2: Convert to fraction form
    554,852.14/765,695.94 = 300,203.32/x
  3. Step 3: Cross multiply
    554,852.14x = 765,695.94 × 300,203.32
  4. Step 4: Simplify right side
    554,852.14x = 229,864,463,298.52
  5. Step 5: Solve for x
    x = 229,864,463,298.52/554,852.14
  6. Step 6: Final answer
    x = 414,280.57

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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.