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Finding the Fourth Proportional to 457,576.54, 631,476.74 and 253,631.84

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Solution

The fourth proportional to 457,576.54, 631,476.74 and 253,631.84 is: 350,023.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,576.54 : 631,476.74 = 253,631.84 : x
  2. Step 2: Convert to fraction form
    457,576.54/631,476.74 = 253,631.84/x
  3. Step 3: Cross multiply
    457,576.54x = 631,476.74 × 253,631.84
  4. Step 4: Simplify right side
    457,576.54x = 160,162,607,483.40
  5. Step 5: Solve for x
    x = 160,162,607,483.40/457,576.54
  6. Step 6: Final answer
    x = 350,023.64

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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.