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Finding the Fourth Proportional to 350,992.25, 526,554 and 140,646.59

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Solution

The fourth proportional to 350,992.25, 526,554 and 140,646.59 is: 210,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,992.25 : 526,554 = 140,646.59 : x
  2. Step 2: Convert to fraction form
    350,992.25/526,554 = 140,646.59/x
  3. Step 3: Cross multiply
    350,992.25x = 526,554 × 140,646.59
  4. Step 4: Simplify right side
    350,992.25x = 74,058,024,550.86
  5. Step 5: Solve for x
    x = 74,058,024,550.86/350,992.25
  6. Step 6: Final answer
    x = 210,996.18

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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.