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Finding the Fourth Proportional to 671,086.42, 926,085.52 and 365,168.86

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Solution

The fourth proportional to 671,086.42, 926,085.52 and 365,168.86 is: 503,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,086.42 : 926,085.52 = 365,168.86 : x
  2. Step 2: Convert to fraction form
    671,086.42/926,085.52 = 365,168.86/x
  3. Step 3: Cross multiply
    671,086.42x = 926,085.52 × 365,168.86
  4. Step 4: Simplify right side
    671,086.42x = 338,177,593,600.91
  5. Step 5: Solve for x
    x = 338,177,593,600.91/671,086.42
  6. Step 6: Final answer
    x = 503,925.55

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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.