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Finding the Fourth Proportional to 576,743.76, 790,125.71 and 555,180.48

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Solution

The fourth proportional to 576,743.76, 790,125.71 and 555,180.48 is: 760,584.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,743.76 : 790,125.71 = 555,180.48 : x
  2. Step 2: Convert to fraction form
    576,743.76/790,125.71 = 555,180.48/x
  3. Step 3: Cross multiply
    576,743.76x = 790,125.71 × 555,180.48
  4. Step 4: Simplify right side
    576,743.76x = 438,662,368,162.24
  5. Step 5: Solve for x
    x = 438,662,368,162.24/576,743.76
  6. Step 6: Final answer
    x = 760,584.51

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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.