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Finding the Fourth Proportional to 570,198.80, 855,488.24 and 191,157.04

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Solution

The fourth proportional to 570,198.80, 855,488.24 and 191,157.04 is: 286,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,198.80 : 855,488.24 = 191,157.04 : x
  2. Step 2: Convert to fraction form
    570,198.80/855,488.24 = 191,157.04/x
  3. Step 3: Cross multiply
    570,198.80x = 855,488.24 × 191,157.04
  4. Step 4: Simplify right side
    570,198.80x = 163,532,599,713.21
  5. Step 5: Solve for x
    x = 163,532,599,713.21/570,198.80
  6. Step 6: Final answer
    x = 286,799.27

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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.