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Finding the Fourth Proportional to 544,710.30, 816,803.01 and 189,716.46

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Solution

The fourth proportional to 544,710.30, 816,803.01 and 189,716.46 is: 284,483.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,710.30 : 816,803.01 = 189,716.46 : x
  2. Step 2: Convert to fraction form
    544,710.30/816,803.01 = 189,716.46/x
  3. Step 3: Cross multiply
    544,710.30x = 816,803.01 × 189,716.46
  4. Step 4: Simplify right side
    544,710.30x = 154,960,975,574.55
  5. Step 5: Solve for x
    x = 154,960,975,574.55/544,710.30
  6. Step 6: Final answer
    x = 284,483.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.