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Finding the Fourth Proportional to 238,817.40, 358,226.10 and 168,833.40

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Solution

The fourth proportional to 238,817.40, 358,226.10 and 168,833.40 is: 253,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,817.40 : 358,226.10 = 168,833.40 : x
  2. Step 2: Convert to fraction form
    238,817.40/358,226.10 = 168,833.40/x
  3. Step 3: Cross multiply
    238,817.40x = 358,226.10 × 168,833.40
  4. Step 4: Simplify right side
    238,817.40x = 60,480,530,431.74
  5. Step 5: Solve for x
    x = 60,480,530,431.74/238,817.40
  6. Step 6: Final answer
    x = 253,250.10

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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.