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Finding the Fourth Proportional to 524,082.20, 786,123.30 and 335,125.40

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Solution

The fourth proportional to 524,082.20, 786,123.30 and 335,125.40 is: 502,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,082.20 : 786,123.30 = 335,125.40 : x
  2. Step 2: Convert to fraction form
    524,082.20/786,123.30 = 335,125.40/x
  3. Step 3: Cross multiply
    524,082.20x = 786,123.30 × 335,125.40
  4. Step 4: Simplify right side
    524,082.20x = 263,449,885,361.82
  5. Step 5: Solve for x
    x = 263,449,885,361.82/524,082.20
  6. Step 6: Final answer
    x = 502,688.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.