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Finding the Fourth Proportional to 379,900.40, 569,850.60 and 362,404.40

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Solution

The fourth proportional to 379,900.40, 569,850.60 and 362,404.40 is: 543,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,900.40 : 569,850.60 = 362,404.40 : x
  2. Step 2: Convert to fraction form
    379,900.40/569,850.60 = 362,404.40/x
  3. Step 3: Cross multiply
    379,900.40x = 569,850.60 × 362,404.40
  4. Step 4: Simplify right side
    379,900.40x = 206,516,364,782.64
  5. Step 5: Solve for x
    x = 206,516,364,782.64/379,900.40
  6. Step 6: Final answer
    x = 543,606.60

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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.