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Finding the Fourth Proportional to 679,525.61, 937,745.91 and 373,607.24

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Solution

The fourth proportional to 679,525.61, 937,745.91 and 373,607.24 is: 515,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,525.61 : 937,745.91 = 373,607.24 : x
  2. Step 2: Convert to fraction form
    679,525.61/937,745.91 = 373,607.24/x
  3. Step 3: Cross multiply
    679,525.61x = 937,745.91 × 373,607.24
  4. Step 4: Simplify right side
    679,525.61x = 350,348,656,567.66
  5. Step 5: Solve for x
    x = 350,348,656,567.66/679,525.61
  6. Step 6: Final answer
    x = 515,578.30

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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.