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Finding the Fourth Proportional to 429,548.87, 592,706.16 and 248,277.56

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Solution

The fourth proportional to 429,548.87, 592,706.16 and 248,277.56 is: 342,581.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,548.87 : 592,706.16 = 248,277.56 : x
  2. Step 2: Convert to fraction form
    429,548.87/592,706.16 = 248,277.56/x
  3. Step 3: Cross multiply
    429,548.87x = 592,706.16 × 248,277.56
  4. Step 4: Simplify right side
    429,548.87x = 147,155,636,238.24
  5. Step 5: Solve for x
    x = 147,155,636,238.24/429,548.87
  6. Step 6: Final answer
    x = 342,581.82

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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.