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Finding the Fourth Proportional to 638,244, 957,530.04 and 238,890.51

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Solution

The fourth proportional to 638,244, 957,530.04 and 238,890.51 is: 358,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,244 : 957,530.04 = 238,890.51 : x
  2. Step 2: Convert to fraction form
    638,244/957,530.04 = 238,890.51/x
  3. Step 3: Cross multiply
    638,244x = 957,530.04 × 238,890.51
  4. Step 4: Simplify right side
    638,244x = 228,744,839,595.92
  5. Step 5: Solve for x
    x = 228,744,839,595.92/638,244
  6. Step 6: Final answer
    x = 358,397.16

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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.