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Finding the Fourth Proportional to 504,432.82, 696,125.01 and 274,990.24

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Solution

The fourth proportional to 504,432.82, 696,125.01 and 274,990.24 is: 379,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,432.82 : 696,125.01 = 274,990.24 : x
  2. Step 2: Convert to fraction form
    504,432.82/696,125.01 = 274,990.24/x
  3. Step 3: Cross multiply
    504,432.82x = 696,125.01 × 274,990.24
  4. Step 4: Simplify right side
    504,432.82x = 191,427,583,569.90
  5. Step 5: Solve for x
    x = 191,427,583,569.90/504,432.82
  6. Step 6: Final answer
    x = 379,490.74

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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.