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Finding the Fourth Proportional to 638,250, 957,539.07 and 238,896.51

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Solution

The fourth proportional to 638,250, 957,539.07 and 238,896.51 is: 358,406.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,250 : 957,539.07 = 238,896.51 : x
  2. Step 2: Convert to fraction form
    638,250/957,539.07 = 238,896.51/x
  3. Step 3: Cross multiply
    638,250x = 957,539.07 × 238,896.51
  4. Step 4: Simplify right side
    638,250x = 228,752,742,011.65
  5. Step 5: Solve for x
    x = 228,752,742,011.65/638,250
  6. Step 6: Final answer
    x = 358,406.18

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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.