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Finding the Fourth Proportional to 358,843.06, 495,197.60 and 195,501.51

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Solution

The fourth proportional to 358,843.06, 495,197.60 and 195,501.51 is: 269,788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,843.06 : 495,197.60 = 195,501.51 : x
  2. Step 2: Convert to fraction form
    358,843.06/495,197.60 = 195,501.51/x
  3. Step 3: Cross multiply
    358,843.06x = 495,197.60 × 195,501.51
  4. Step 4: Simplify right side
    358,843.06x = 96,811,879,037.13
  5. Step 5: Solve for x
    x = 96,811,879,037.13/358,843.06
  6. Step 6: Final answer
    x = 269,788.91

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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.