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Finding the Fourth Proportional to 637,093.53, 879,171.35 and 361,501.56

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Solution

The fourth proportional to 637,093.53, 879,171.35 and 361,501.56 is: 498,862.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,093.53 : 879,171.35 = 361,501.56 : x
  2. Step 2: Convert to fraction form
    637,093.53/879,171.35 = 361,501.56/x
  3. Step 3: Cross multiply
    637,093.53x = 879,171.35 × 361,501.56
  4. Step 4: Simplify right side
    637,093.53x = 317,821,812,724.80
  5. Step 5: Solve for x
    x = 317,821,812,724.80/637,093.53
  6. Step 6: Final answer
    x = 498,862.09

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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.