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Finding the Fourth Proportional to 304,685.34, 420,462.84 and 175,576.38

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Solution

The fourth proportional to 304,685.34, 420,462.84 and 175,576.38 is: 242,293.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,685.34 : 420,462.84 = 175,576.38 : x
  2. Step 2: Convert to fraction form
    304,685.34/420,462.84 = 175,576.38/x
  3. Step 3: Cross multiply
    304,685.34x = 420,462.84 × 175,576.38
  4. Step 4: Simplify right side
    304,685.34x = 73,823,343,371.72
  5. Step 5: Solve for x
    x = 73,823,343,371.72/304,685.34
  6. Step 6: Final answer
    x = 242,293.72

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1.5x scale

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.