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Finding the Fourth Proportional to 286,442.44, 429,663.84 and 108,908.44

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Solution

The fourth proportional to 286,442.44, 429,663.84 and 108,908.44 is: 163,362.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,442.44 : 429,663.84 = 108,908.44 : x
  2. Step 2: Convert to fraction form
    286,442.44/429,663.84 = 108,908.44/x
  3. Step 3: Cross multiply
    286,442.44x = 429,663.84 × 108,908.44
  4. Step 4: Simplify right side
    286,442.44x = 46,794,018,538.81
  5. Step 5: Solve for x
    x = 46,794,018,538.81/286,442.44
  6. Step 6: Final answer
    x = 163,362.73

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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.