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Finding the Fourth Proportional to 636,560.64, 954,866.88 and 262,548

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Solution

The fourth proportional to 636,560.64, 954,866.88 and 262,548 is: 393,832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,560.64 : 954,866.88 = 262,548 : x
  2. Step 2: Convert to fraction form
    636,560.64/954,866.88 = 262,548/x
  3. Step 3: Cross multiply
    636,560.64x = 954,866.88 × 262,548
  4. Step 4: Simplify right side
    636,560.64x = 250,698,389,610.24
  5. Step 5: Solve for x
    x = 250,698,389,610.24/636,560.64
  6. Step 6: Final answer
    x = 393,832.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.