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Finding the Fourth Proportional to 504,685.76, 696,466.98 and 275,243.52

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Solution

The fourth proportional to 504,685.76, 696,466.98 and 275,243.52 is: 379,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,685.76 : 696,466.98 = 275,243.52 : x
  2. Step 2: Convert to fraction form
    504,685.76/696,466.98 = 275,243.52/x
  3. Step 3: Cross multiply
    504,685.76x = 696,466.98 × 275,243.52
  4. Step 4: Simplify right side
    504,685.76x = 191,698,023,138.97
  5. Step 5: Solve for x
    x = 191,698,023,138.97/504,685.76
  6. Step 6: Final answer
    x = 379,836.40

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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.