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Finding the Fourth Proportional to 219,482.70, 329,333.40 and 124,785.60

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Solution

The fourth proportional to 219,482.70, 329,333.40 and 124,785.60 is: 187,240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,482.70 : 329,333.40 = 124,785.60 : x
  2. Step 2: Convert to fraction form
    219,482.70/329,333.40 = 124,785.60/x
  3. Step 3: Cross multiply
    219,482.70x = 329,333.40 × 124,785.60
  4. Step 4: Simplify right side
    219,482.70x = 41,096,065,919.04
  5. Step 5: Solve for x
    x = 41,096,065,919.04/219,482.70
  6. Step 6: Final answer
    x = 187,240.57

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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.