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Finding the Fourth Proportional to 294,544.13, 441,816.20 and 72,928.13

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Solution

The fourth proportional to 294,544.13, 441,816.20 and 72,928.13 is: 109,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,544.13 : 441,816.20 = 72,928.13 : x
  2. Step 2: Convert to fraction form
    294,544.13/441,816.20 = 72,928.13/x
  3. Step 3: Cross multiply
    294,544.13x = 441,816.20 × 72,928.13
  4. Step 4: Simplify right side
    294,544.13x = 32,220,829,269.71
  5. Step 5: Solve for x
    x = 32,220,829,269.71/294,544.13
  6. Step 6: Final answer
    x = 109,392.20

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Similar ratio
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1.5x scale

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.