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Finding the Fourth Proportional to 950,367.50, 1,425,764 and 319,264.10

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Solution

The fourth proportional to 950,367.50, 1,425,764 and 319,264.10 is: 478,967.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,367.50 : 1,425,764 = 319,264.10 : x
  2. Step 2: Convert to fraction form
    950,367.50/1,425,764 = 319,264.10/x
  3. Step 3: Cross multiply
    950,367.50x = 1,425,764 × 319,264.10
  4. Step 4: Simplify right side
    950,367.50x = 455,195,260,272.40
  5. Step 5: Solve for x
    x = 455,195,260,272.40/950,367.50
  6. Step 6: Final answer
    x = 478,967.62

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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.