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Finding the Fourth Proportional to 630,617.80, 944,544.30 and 547,673.80

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Solution

The fourth proportional to 630,617.80, 944,544.30 and 547,673.80 is: 820,310.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,617.80 : 944,544.30 = 547,673.80 : x
  2. Step 2: Convert to fraction form
    630,617.80/944,544.30 = 547,673.80/x
  3. Step 3: Cross multiply
    630,617.80x = 944,544.30 × 547,673.80
  4. Step 4: Simplify right side
    630,617.80x = 517,302,166,049.34
  5. Step 5: Solve for x
    x = 517,302,166,049.34/630,617.80
  6. Step 6: Final answer
    x = 820,310.12

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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.