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Finding the Fourth Proportional to 559,788.80, 839,145.60 and 185,619.20

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Solution

The fourth proportional to 559,788.80, 839,145.60 and 185,619.20 is: 278,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,788.80 : 839,145.60 = 185,619.20 : x
  2. Step 2: Convert to fraction form
    559,788.80/839,145.60 = 185,619.20/x
  3. Step 3: Cross multiply
    559,788.80x = 839,145.60 × 185,619.20
  4. Step 4: Simplify right side
    559,788.80x = 155,761,534,955.52
  5. Step 5: Solve for x
    x = 155,761,534,955.52/559,788.80
  6. Step 6: Final answer
    x = 278,250.54

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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.