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Finding the Fourth Proportional to 384,785.80, 530,660.58 and 241,559.16

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Solution

The fourth proportional to 384,785.80, 530,660.58 and 241,559.16 is: 333,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,785.80 : 530,660.58 = 241,559.16 : x
  2. Step 2: Convert to fraction form
    384,785.80/530,660.58 = 241,559.16/x
  3. Step 3: Cross multiply
    384,785.80x = 530,660.58 × 241,559.16
  4. Step 4: Simplify right side
    384,785.80x = 128,185,923,949.91
  5. Step 5: Solve for x
    x = 128,185,923,949.91/384,785.80
  6. Step 6: Final answer
    x = 333,135.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.