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Finding the Fourth Proportional to 365,037.20, 548,722.20 and 260,579.60

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Solution

The fourth proportional to 365,037.20, 548,722.20 and 260,579.60 is: 391,702.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,037.20 : 548,722.20 = 260,579.60 : x
  2. Step 2: Convert to fraction form
    365,037.20/548,722.20 = 260,579.60/x
  3. Step 3: Cross multiply
    365,037.20x = 548,722.20 × 260,579.60
  4. Step 4: Simplify right side
    365,037.20x = 142,985,811,387.12
  5. Step 5: Solve for x
    x = 142,985,811,387.12/365,037.20
  6. Step 6: Final answer
    x = 391,702.03

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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.