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Finding the Fourth Proportional to 576,750.14, 790,134.43 and 555,186.86

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Solution

The fourth proportional to 576,750.14, 790,134.43 and 555,186.86 is: 760,593.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,750.14 : 790,134.43 = 555,186.86 : x
  2. Step 2: Convert to fraction form
    576,750.14/790,134.43 = 555,186.86/x
  3. Step 3: Cross multiply
    576,750.14x = 790,134.43 × 555,186.86
  4. Step 4: Simplify right side
    576,750.14x = 438,672,253,169.59
  5. Step 5: Solve for x
    x = 438,672,253,169.59/576,750.14
  6. Step 6: Final answer
    x = 760,593.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.