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Finding the Fourth Proportional to 316,794.88, 475,198.72 and 117,012.32

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Solution

The fourth proportional to 316,794.88, 475,198.72 and 117,012.32 is: 175,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,794.88 : 475,198.72 = 117,012.32 : x
  2. Step 2: Convert to fraction form
    316,794.88/475,198.72 = 117,012.32/x
  3. Step 3: Cross multiply
    316,794.88x = 475,198.72 × 117,012.32
  4. Step 4: Simplify right side
    316,794.88x = 55,604,104,688.23
  5. Step 5: Solve for x
    x = 55,604,104,688.23/316,794.88
  6. Step 6: Final answer
    x = 175,520.84

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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.