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Finding the Fourth Proportional to 344,878.39, 517,166.77 and 173,994.96

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Solution

The fourth proportional to 344,878.39, 517,166.77 and 173,994.96 is: 260,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,878.39 : 517,166.77 = 173,994.96 : x
  2. Step 2: Convert to fraction form
    344,878.39/517,166.77 = 173,994.96/x
  3. Step 3: Cross multiply
    344,878.39x = 517,166.77 × 173,994.96
  4. Step 4: Simplify right side
    344,878.39x = 89,984,411,459.48
  5. Step 5: Solve for x
    x = 89,984,411,459.48/344,878.39
  6. Step 6: Final answer
    x = 260,916.35

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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.