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Finding the Fourth Proportional to 340,792.22, 511,188.96 and 340,300.28

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Solution

The fourth proportional to 340,792.22, 511,188.96 and 340,300.28 is: 510,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,792.22 : 511,188.96 = 340,300.28 : x
  2. Step 2: Convert to fraction form
    340,792.22/511,188.96 = 340,300.28/x
  3. Step 3: Cross multiply
    340,792.22x = 511,188.96 × 340,300.28
  4. Step 4: Simplify right side
    340,792.22x = 173,957,746,220.91
  5. Step 5: Solve for x
    x = 173,957,746,220.91/340,792.22
  6. Step 6: Final answer
    x = 510,451.05

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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.