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Finding the Fourth Proportional to 637,082.08, 879,154.08 and 350,601.76

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Solution

The fourth proportional to 637,082.08, 879,154.08 and 350,601.76 is: 483,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,082.08 : 879,154.08 = 350,601.76 : x
  2. Step 2: Convert to fraction form
    637,082.08/879,154.08 = 350,601.76/x
  3. Step 3: Cross multiply
    637,082.08x = 879,154.08 × 350,601.76
  4. Step 4: Simplify right side
    637,082.08x = 308,232,967,759.18
  5. Step 5: Solve for x
    x = 308,232,967,759.18/637,082.08
  6. Step 6: Final answer
    x = 483,819.87

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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.