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Finding the Fourth Proportional to 409,026.52, 564,479.91 and 245,732.98

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Solution

The fourth proportional to 409,026.52, 564,479.91 and 245,732.98 is: 339,125.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,026.52 : 564,479.91 = 245,732.98 : x
  2. Step 2: Convert to fraction form
    409,026.52/564,479.91 = 245,732.98/x
  3. Step 3: Cross multiply
    409,026.52x = 564,479.91 × 245,732.98
  4. Step 4: Simplify right side
    409,026.52x = 138,711,330,434.43
  5. Step 5: Solve for x
    x = 138,711,330,434.43/409,026.52
  6. Step 6: Final answer
    x = 339,125.52

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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.