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Finding the Fourth Proportional to 630,384.98, 944,710.16 and 270,124.58

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Solution

The fourth proportional to 630,384.98, 944,710.16 and 270,124.58 is: 404,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,384.98 : 944,710.16 = 270,124.58 : x
  2. Step 2: Convert to fraction form
    630,384.98/944,710.16 = 270,124.58/x
  3. Step 3: Cross multiply
    630,384.98x = 944,710.16 × 270,124.58
  4. Step 4: Simplify right side
    630,384.98x = 255,189,436,202.89
  5. Step 5: Solve for x
    x = 255,189,436,202.89/630,384.98
  6. Step 6: Final answer
    x = 404,815.23

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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.