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Finding the Fourth Proportional to 429,532.60, 592,560.54 and 276,515.92

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Solution

The fourth proportional to 429,532.60, 592,560.54 and 276,515.92 is: 381,466.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,532.60 : 592,560.54 = 276,515.92 : x
  2. Step 2: Convert to fraction form
    429,532.60/592,560.54 = 276,515.92/x
  3. Step 3: Cross multiply
    429,532.60x = 592,560.54 × 276,515.92
  4. Step 4: Simplify right side
    429,532.60x = 163,852,422,873.80
  5. Step 5: Solve for x
    x = 163,852,422,873.80/429,532.60
  6. Step 6: Final answer
    x = 381,466.79

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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.