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Finding the Fourth Proportional to 637,074.08, 879,143.04 and 350,593.76

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Solution

The fourth proportional to 637,074.08, 879,143.04 and 350,593.76 is: 483,808.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,074.08 : 879,143.04 = 350,593.76 : x
  2. Step 2: Convert to fraction form
    637,074.08/879,143.04 = 350,593.76/x
  3. Step 3: Cross multiply
    637,074.08x = 879,143.04 × 350,593.76
  4. Step 4: Simplify right side
    637,074.08x = 308,222,063,971.43
  5. Step 5: Solve for x
    x = 308,222,063,971.43/637,074.08
  6. Step 6: Final answer
    x = 483,808.83

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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.