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Finding the Fourth Proportional to 630,874.40, 944,007.60 and 464,986.40

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Solution

The fourth proportional to 630,874.40, 944,007.60 and 464,986.40 is: 695,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,874.40 : 944,007.60 = 464,986.40 : x
  2. Step 2: Convert to fraction form
    630,874.40/944,007.60 = 464,986.40/x
  3. Step 3: Cross multiply
    630,874.40x = 944,007.60 × 464,986.40
  4. Step 4: Simplify right side
    630,874.40x = 438,950,695,496.64
  5. Step 5: Solve for x
    x = 438,950,695,496.64/630,874.40
  6. Step 6: Final answer
    x = 695,781.44

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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.