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Finding the Fourth Proportional to 637,562.92, 879,836.76 and 351,082.32

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Solution

The fourth proportional to 637,562.92, 879,836.76 and 351,082.32 is: 484,493.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,562.92 : 879,836.76 = 351,082.32 : x
  2. Step 2: Convert to fraction form
    637,562.92/879,836.76 = 351,082.32/x
  3. Step 3: Cross multiply
    637,562.92x = 879,836.76 × 351,082.32
  4. Step 4: Simplify right side
    637,562.92x = 308,895,130,922.08
  5. Step 5: Solve for x
    x = 308,895,130,922.08/637,562.92
  6. Step 6: Final answer
    x = 484,493.56

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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.