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Finding the Fourth Proportional to 576,648.51, 796,149.38 and 516,114.18

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Solution

The fourth proportional to 576,648.51, 796,149.38 and 516,114.18 is: 712,572.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,648.51 : 796,149.38 = 516,114.18 : x
  2. Step 2: Convert to fraction form
    576,648.51/796,149.38 = 516,114.18/x
  3. Step 3: Cross multiply
    576,648.51x = 796,149.38 × 516,114.18
  4. Step 4: Simplify right side
    576,648.51x = 410,903,981,835.64
  5. Step 5: Solve for x
    x = 410,903,981,835.64/576,648.51
  6. Step 6: Final answer
    x = 712,572.69

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Double scale
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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.