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Finding the Fourth Proportional to 409,785.69, 565,578.95 and 237,813.69

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Solution

The fourth proportional to 409,785.69, 565,578.95 and 237,813.69 is: 328,226.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,785.69 : 565,578.95 = 237,813.69 : x
  2. Step 2: Convert to fraction form
    409,785.69/565,578.95 = 237,813.69/x
  3. Step 3: Cross multiply
    409,785.69x = 565,578.95 × 237,813.69
  4. Step 4: Simplify right side
    409,785.69x = 134,502,415,896.76
  5. Step 5: Solve for x
    x = 134,502,415,896.76/409,785.69
  6. Step 6: Final answer
    x = 328,226.24

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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.