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Finding the Fourth Proportional to 354,594.17, 489,278.75 and 199,523.86

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Solution

The fourth proportional to 354,594.17, 489,278.75 and 199,523.86 is: 275,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,594.17 : 489,278.75 = 199,523.86 : x
  2. Step 2: Convert to fraction form
    354,594.17/489,278.75 = 199,523.86/x
  3. Step 3: Cross multiply
    354,594.17x = 489,278.75 × 199,523.86
  4. Step 4: Simplify right side
    354,594.17x = 97,622,782,595.16
  5. Step 5: Solve for x
    x = 97,622,782,595.16/354,594.17
  6. Step 6: Final answer
    x = 275,308.48

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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.