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Finding the Fourth Proportional to 253,587.68, 349,951 and 140,410.44

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Solution

The fourth proportional to 253,587.68, 349,951 and 140,410.44 is: 193,766.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,587.68 : 349,951 = 140,410.44 : x
  2. Step 2: Convert to fraction form
    253,587.68/349,951 = 140,410.44/x
  3. Step 3: Cross multiply
    253,587.68x = 349,951 × 140,410.44
  4. Step 4: Simplify right side
    253,587.68x = 49,136,773,888.44
  5. Step 5: Solve for x
    x = 49,136,773,888.44/253,587.68
  6. Step 6: Final answer
    x = 193,766.41

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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.