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Finding the Fourth Proportional to 238,085.10, 333,785.70 and 238,085.10

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Solution

The fourth proportional to 238,085.10, 333,785.70 and 238,085.10 is: 333,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,085.10 : 333,785.70 = 238,085.10 : x
  2. Step 2: Convert to fraction form
    238,085.10/333,785.70 = 238,085.10/x
  3. Step 3: Cross multiply
    238,085.10x = 333,785.70 × 238,085.10
  4. Step 4: Simplify right side
    238,085.10x = 79,469,401,763.07
  5. Step 5: Solve for x
    x = 79,469,401,763.07/238,085.10
  6. Step 6: Final answer
    x = 333,785.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.