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Finding the Fourth Proportional to 582,783.66, 873,945.65 and 283,175.60

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Solution

The fourth proportional to 582,783.66, 873,945.65 and 283,175.60 is: 424,651.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,783.66 : 873,945.65 = 283,175.60 : x
  2. Step 2: Convert to fraction form
    582,783.66/873,945.65 = 283,175.60/x
  3. Step 3: Cross multiply
    582,783.66x = 873,945.65 × 283,175.60
  4. Step 4: Simplify right side
    582,783.66x = 247,480,080,144.35
  5. Step 5: Solve for x
    x = 247,480,080,144.35/582,783.66
  6. Step 6: Final answer
    x = 424,651.71

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.