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Finding the Fourth Proportional to 544,937.80, 816,531.90 and 357,730.60

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Solution

The fourth proportional to 544,937.80, 816,531.90 and 357,730.60 is: 536,021.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,937.80 : 816,531.90 = 357,730.60 : x
  2. Step 2: Convert to fraction form
    544,937.80/816,531.90 = 357,730.60/x
  3. Step 3: Cross multiply
    544,937.80x = 816,531.90 × 357,730.60
  4. Step 4: Simplify right side
    544,937.80x = 292,098,446,506.14
  5. Step 5: Solve for x
    x = 292,098,446,506.14/544,937.80
  6. Step 6: Final answer
    x = 536,021.63

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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.