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Finding the Fourth Proportional to 358,379.16, 494,357.52 and 224,009.88

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Solution

The fourth proportional to 358,379.16, 494,357.52 and 224,009.88 is: 309,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,379.16 : 494,357.52 = 224,009.88 : x
  2. Step 2: Convert to fraction form
    358,379.16/494,357.52 = 224,009.88/x
  3. Step 3: Cross multiply
    358,379.16x = 494,357.52 × 224,009.88
  4. Step 4: Simplify right side
    358,379.16x = 110,740,968,732.30
  5. Step 5: Solve for x
    x = 110,740,968,732.30/358,379.16
  6. Step 6: Final answer
    x = 309,005.05

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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.