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Finding the Fourth Proportional to 559,206.60, 838,591.20 and 204,037.80

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Solution

The fourth proportional to 559,206.60, 838,591.20 and 204,037.80 is: 305,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,206.60 : 838,591.20 = 204,037.80 : x
  2. Step 2: Convert to fraction form
    559,206.60/838,591.20 = 204,037.80/x
  3. Step 3: Cross multiply
    559,206.60x = 838,591.20 × 204,037.80
  4. Step 4: Simplify right side
    559,206.60x = 171,104,303,547.36
  5. Step 5: Solve for x
    x = 171,104,303,547.36/559,206.60
  6. Step 6: Final answer
    x = 305,976.90

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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.