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Finding the Fourth Proportional to 576,274.48, 794,306.96 and 385,218.16

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Solution

The fourth proportional to 576,274.48, 794,306.96 and 385,218.16 is: 530,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,274.48 : 794,306.96 = 385,218.16 : x
  2. Step 2: Convert to fraction form
    576,274.48/794,306.96 = 385,218.16/x
  3. Step 3: Cross multiply
    576,274.48x = 794,306.96 × 385,218.16
  4. Step 4: Simplify right side
    576,274.48x = 305,981,465,606.39
  5. Step 5: Solve for x
    x = 305,981,465,606.39/576,274.48
  6. Step 6: Final answer
    x = 530,964.80

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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.