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Finding the Fourth Proportional to 531,792.02, 733,875.26 and 290,079.79

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Solution

The fourth proportional to 531,792.02, 733,875.26 and 290,079.79 is: 400,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,792.02 : 733,875.26 = 290,079.79 : x
  2. Step 2: Convert to fraction form
    531,792.02/733,875.26 = 290,079.79/x
  3. Step 3: Cross multiply
    531,792.02x = 733,875.26 × 290,079.79
  4. Step 4: Simplify right side
    531,792.02x = 212,882,378,021.91
  5. Step 5: Solve for x
    x = 212,882,378,021.91/531,792.02
  6. Step 6: Final answer
    x = 400,311.34

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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.