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Finding the Fourth Proportional to 452,518.52, 624,439.14 and 261,544.28

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Solution

The fourth proportional to 452,518.52, 624,439.14 and 261,544.28 is: 360,910.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,518.52 : 624,439.14 = 261,544.28 : x
  2. Step 2: Convert to fraction form
    452,518.52/624,439.14 = 261,544.28/x
  3. Step 3: Cross multiply
    452,518.52x = 624,439.14 × 261,544.28
  4. Step 4: Simplify right side
    452,518.52x = 163,318,485,275.12
  5. Step 5: Solve for x
    x = 163,318,485,275.12/452,518.52
  6. Step 6: Final answer
    x = 360,910.06

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1.5x scale

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.