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Finding the Fourth Proportional to 429,638.99, 592,835.86 and 248,315.73

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Solution

The fourth proportional to 429,638.99, 592,835.86 and 248,315.73 is: 342,637.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,638.99 : 592,835.86 = 248,315.73 : x
  2. Step 2: Convert to fraction form
    429,638.99/592,835.86 = 248,315.73/x
  3. Step 3: Cross multiply
    429,638.99x = 592,835.86 × 248,315.73
  4. Step 4: Simplify right side
    429,638.99x = 147,210,467,433.34
  5. Step 5: Solve for x
    x = 147,210,467,433.34/429,638.99
  6. Step 6: Final answer
    x = 342,637.59

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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.