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Finding the Fourth Proportional to 429,880.70, 593,188.20 and 248,565.17

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Solution

The fourth proportional to 429,880.70, 593,188.20 and 248,565.17 is: 342,992.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,880.70 : 593,188.20 = 248,565.17 : x
  2. Step 2: Convert to fraction form
    429,880.70/593,188.20 = 248,565.17/x
  3. Step 3: Cross multiply
    429,880.70x = 593,188.20 × 248,565.17
  4. Step 4: Simplify right side
    429,880.70x = 147,445,927,257.96
  5. Step 5: Solve for x
    x = 147,445,927,257.96/429,880.70
  6. Step 6: Final answer
    x = 342,992.66

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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.