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Finding the Fourth Proportional to 429,894.92, 593,207.76 and 248,579.36

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Solution

The fourth proportional to 429,894.92, 593,207.76 and 248,579.36 is: 343,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,894.92 : 593,207.76 = 248,579.36 : x
  2. Step 2: Convert to fraction form
    429,894.92/593,207.76 = 248,579.36/x
  3. Step 3: Cross multiply
    429,894.92x = 593,207.76 × 248,579.36
  4. Step 4: Simplify right side
    429,894.92x = 147,459,205,327.83
  5. Step 5: Solve for x
    x = 147,459,205,327.83/429,894.92
  6. Step 6: Final answer
    x = 343,012.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.