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Finding the Fourth Proportional to 270,685.74, 373,460.45 and 157,486.62

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Solution

The fourth proportional to 270,685.74, 373,460.45 and 157,486.62 is: 217,281.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,685.74 : 373,460.45 = 157,486.62 : x
  2. Step 2: Convert to fraction form
    270,685.74/373,460.45 = 157,486.62/x
  3. Step 3: Cross multiply
    270,685.74x = 373,460.45 × 157,486.62
  4. Step 4: Simplify right side
    270,685.74x = 58,815,023,186.75
  5. Step 5: Solve for x
    x = 58,815,023,186.75/270,685.74
  6. Step 6: Final answer
    x = 217,281.57

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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.