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Finding the Fourth Proportional to 429,267.52, 592,391.50 and 268,216

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Solution

The fourth proportional to 429,267.52, 592,391.50 and 268,216 is: 370,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,267.52 : 592,391.50 = 268,216 : x
  2. Step 2: Convert to fraction form
    429,267.52/592,391.50 = 268,216/x
  3. Step 3: Cross multiply
    429,267.52x = 592,391.50 × 268,216
  4. Step 4: Simplify right side
    429,267.52x = 158,888,878,564
  5. Step 5: Solve for x
    x = 158,888,878,564/429,267.52
  6. Step 6: Final answer
    x = 370,139.53

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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.