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Finding the Fourth Proportional to 439,249.32, 606,164.58 and 238,045.32

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Solution

The fourth proportional to 439,249.32, 606,164.58 and 238,045.32 is: 328,502.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,249.32 : 606,164.58 = 238,045.32 : x
  2. Step 2: Convert to fraction form
    439,249.32/606,164.58 = 238,045.32/x
  3. Step 3: Cross multiply
    439,249.32x = 606,164.58 × 238,045.32
  4. Step 4: Simplify right side
    439,249.32x = 144,294,641,418.77
  5. Step 5: Solve for x
    x = 144,294,641,418.77/439,249.32
  6. Step 6: Final answer
    x = 328,502.82

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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.