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Finding the Fourth Proportional to 365,705.20, 548,557.80 and 225,007.60

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Solution

The fourth proportional to 365,705.20, 548,557.80 and 225,007.60 is: 337,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,705.20 : 548,557.80 = 225,007.60 : x
  2. Step 2: Convert to fraction form
    365,705.20/548,557.80 = 225,007.60/x
  3. Step 3: Cross multiply
    365,705.20x = 548,557.80 × 225,007.60
  4. Step 4: Simplify right side
    365,705.20x = 123,429,674,039.28
  5. Step 5: Solve for x
    x = 123,429,674,039.28/365,705.20
  6. Step 6: Final answer
    x = 337,511.40

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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.