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Finding the Fourth Proportional to 348,900.60, 522,054.90 and 255,588.60

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Solution

The fourth proportional to 348,900.60, 522,054.90 and 255,588.60 is: 382,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,900.60 : 522,054.90 = 255,588.60 : x
  2. Step 2: Convert to fraction form
    348,900.60/522,054.90 = 255,588.60/x
  3. Step 3: Cross multiply
    348,900.60x = 522,054.90 × 255,588.60
  4. Step 4: Simplify right side
    348,900.60x = 133,431,281,014.14
  5. Step 5: Solve for x
    x = 133,431,281,014.14/348,900.60
  6. Step 6: Final answer
    x = 382,433.51

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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.