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Finding the Fourth Proportional to 304,871.37, 457,330.74 and 91,622.64

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Solution

The fourth proportional to 304,871.37, 457,330.74 and 91,622.64 is: 137,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,871.37 : 457,330.74 = 91,622.64 : x
  2. Step 2: Convert to fraction form
    304,871.37/457,330.74 = 91,622.64/x
  3. Step 3: Cross multiply
    304,871.37x = 457,330.74 × 91,622.64
  4. Step 4: Simplify right side
    304,871.37x = 41,901,849,751.95
  5. Step 5: Solve for x
    x = 41,901,849,751.95/304,871.37
  6. Step 6: Final answer
    x = 137,441.08

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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.