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Finding the Fourth Proportional to 304,762.10, 457,661.55 and 225,965.30

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Solution

The fourth proportional to 304,762.10, 457,661.55 and 225,965.30 is: 339,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,762.10 : 457,661.55 = 225,965.30 : x
  2. Step 2: Convert to fraction form
    304,762.10/457,661.55 = 225,965.30/x
  3. Step 3: Cross multiply
    304,762.10x = 457,661.55 × 225,965.30
  4. Step 4: Simplify right side
    304,762.10x = 103,415,629,444.22
  5. Step 5: Solve for x
    x = 103,415,629,444.22/304,762.10
  6. Step 6: Final answer
    x = 339,332.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.