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Finding the Fourth Proportional to 630,625.68, 945,911.88 and 293,550.48

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Solution

The fourth proportional to 630,625.68, 945,911.88 and 293,550.48 is: 440,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,625.68 : 945,911.88 = 293,550.48 : x
  2. Step 2: Convert to fraction form
    630,625.68/945,911.88 = 293,550.48/x
  3. Step 3: Cross multiply
    630,625.68x = 945,911.88 × 293,550.48
  4. Step 4: Simplify right side
    630,625.68x = 277,672,886,411.70
  5. Step 5: Solve for x
    x = 277,672,886,411.70/630,625.68
  6. Step 6: Final answer
    x = 440,313.32

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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.