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Finding the Fourth Proportional to 519,522.60, 779,278.51 and 164,536.58

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Solution

The fourth proportional to 519,522.60, 779,278.51 and 164,536.58 is: 246,803.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,522.60 : 779,278.51 = 164,536.58 : x
  2. Step 2: Convert to fraction form
    519,522.60/779,278.51 = 164,536.58/x
  3. Step 3: Cross multiply
    519,522.60x = 779,278.51 × 164,536.58
  4. Step 4: Simplify right side
    519,522.60x = 128,219,822,439.75
  5. Step 5: Solve for x
    x = 128,219,822,439.75/519,522.60
  6. Step 6: Final answer
    x = 246,803.17

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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.