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Finding the Fourth Proportional to 630,019.87, 944,649.82 and 250,999.10

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Solution

The fourth proportional to 630,019.87, 944,649.82 and 250,999.10 is: 376,347.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,019.87 : 944,649.82 = 250,999.10 : x
  2. Step 2: Convert to fraction form
    630,019.87/944,649.82 = 250,999.10/x
  3. Step 3: Cross multiply
    630,019.87x = 944,649.82 × 250,999.10
  4. Step 4: Simplify right side
    630,019.87x = 237,106,258,375.82
  5. Step 5: Solve for x
    x = 237,106,258,375.82/630,019.87
  6. Step 6: Final answer
    x = 376,347.27

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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.