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Finding the Fourth Proportional to 358,585.29, 494,865.88 and 203,547.49

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Solution

The fourth proportional to 358,585.29, 494,865.88 and 203,547.49 is: 280,905.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,585.29 : 494,865.88 = 203,547.49 : x
  2. Step 2: Convert to fraction form
    358,585.29/494,865.88 = 203,547.49/x
  3. Step 3: Cross multiply
    358,585.29x = 494,865.88 × 203,547.49
  4. Step 4: Simplify right side
    358,585.29x = 100,728,707,760.64
  5. Step 5: Solve for x
    x = 100,728,707,760.64/358,585.29
  6. Step 6: Final answer
    x = 280,905.86

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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.