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Finding the Fourth Proportional to 625,366.80, 936,667.80 and 484,016.40

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Solution

The fourth proportional to 625,366.80, 936,667.80 and 484,016.40 is: 724,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,366.80 : 936,667.80 = 484,016.40 : x
  2. Step 2: Convert to fraction form
    625,366.80/936,667.80 = 484,016.40/x
  3. Step 3: Cross multiply
    625,366.80x = 936,667.80 × 484,016.40
  4. Step 4: Simplify right side
    625,366.80x = 453,362,576,551.92
  5. Step 5: Solve for x
    x = 453,362,576,551.92/625,366.80
  6. Step 6: Final answer
    x = 724,954.66

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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.