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Finding the Fourth Proportional to 504,527.50, 696,253.40 and 275,082.92

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Solution

The fourth proportional to 504,527.50, 696,253.40 and 275,082.92 is: 379,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,527.50 : 696,253.40 = 275,082.92 : x
  2. Step 2: Convert to fraction form
    504,527.50/696,253.40 = 275,082.92/x
  3. Step 3: Cross multiply
    504,527.50x = 696,253.40 × 275,082.92
  4. Step 4: Simplify right side
    504,527.50x = 191,527,418,331.93
  5. Step 5: Solve for x
    x = 191,527,418,331.93/504,527.50
  6. Step 6: Final answer
    x = 379,617.40

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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.