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Finding the Fourth Proportional to 679,524.60, 937,745.82 and 373,632.24

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Solution

The fourth proportional to 679,524.60, 937,745.82 and 373,632.24 is: 515,613.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,524.60 : 937,745.82 = 373,632.24 : x
  2. Step 2: Convert to fraction form
    679,524.60/937,745.82 = 373,632.24/x
  3. Step 3: Cross multiply
    679,524.60x = 937,745.82 × 373,632.24
  4. Step 4: Simplify right side
    679,524.60x = 350,372,071,277.24
  5. Step 5: Solve for x
    x = 350,372,071,277.24/679,524.60
  6. Step 6: Final answer
    x = 515,613.52

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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.