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Finding the Fourth Proportional to 449,088.66, 619,846.38 and 296,154.36

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Solution

The fourth proportional to 449,088.66, 619,846.38 and 296,154.36 is: 408,761.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,088.66 : 619,846.38 = 296,154.36 : x
  2. Step 2: Convert to fraction form
    449,088.66/619,846.38 = 296,154.36/x
  3. Step 3: Cross multiply
    449,088.66x = 619,846.38 × 296,154.36
  4. Step 4: Simplify right side
    449,088.66x = 183,570,207,967.22
  5. Step 5: Solve for x
    x = 183,570,207,967.22/449,088.66
  6. Step 6: Final answer
    x = 408,761.62

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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.