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Finding the Fourth Proportional to 286,366.16, 395,174.22 and 159,049.82

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Solution

The fourth proportional to 286,366.16, 395,174.22 and 159,049.82 is: 219,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,366.16 : 395,174.22 = 159,049.82 : x
  2. Step 2: Convert to fraction form
    286,366.16/395,174.22 = 159,049.82/x
  3. Step 3: Cross multiply
    286,366.16x = 395,174.22 × 159,049.82
  4. Step 4: Simplify right side
    286,366.16x = 62,852,388,559.64
  5. Step 5: Solve for x
    x = 62,852,388,559.64/286,366.16
  6. Step 6: Final answer
    x = 219,482.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.