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Finding the Fourth Proportional to 532,817.73, 735,288.46 and 306,463.23

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Solution

The fourth proportional to 532,817.73, 735,288.46 and 306,463.23 is: 422,919.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,817.73 : 735,288.46 = 306,463.23 : x
  2. Step 2: Convert to fraction form
    532,817.73/735,288.46 = 306,463.23/x
  3. Step 3: Cross multiply
    532,817.73x = 735,288.46 × 306,463.23
  4. Step 4: Simplify right side
    532,817.73x = 225,338,875,667.17
  5. Step 5: Solve for x
    x = 225,338,875,667.17/532,817.73
  6. Step 6: Final answer
    x = 422,919.25

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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.