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Finding the Fourth Proportional to 429,886.72, 593,238.36 and 248,593.60

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Solution

The fourth proportional to 429,886.72, 593,238.36 and 248,593.60 is: 343,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,886.72 : 593,238.36 = 248,593.60 : x
  2. Step 2: Convert to fraction form
    429,886.72/593,238.36 = 248,593.60/x
  3. Step 3: Cross multiply
    429,886.72x = 593,238.36 × 248,593.60
  4. Step 4: Simplify right side
    429,886.72x = 147,475,259,570.50
  5. Step 5: Solve for x
    x = 147,475,259,570.50/429,886.72
  6. Step 6: Final answer
    x = 343,056.10

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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.