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Finding the Fourth Proportional to 439,565.84, 606,601.20 and 238,361.84

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Solution

The fourth proportional to 439,565.84, 606,601.20 and 238,361.84 is: 328,939.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,565.84 : 606,601.20 = 238,361.84 : x
  2. Step 2: Convert to fraction form
    439,565.84/606,601.20 = 238,361.84/x
  3. Step 3: Cross multiply
    439,565.84x = 606,601.20 × 238,361.84
  4. Step 4: Simplify right side
    439,565.84x = 144,590,578,178.21
  5. Step 5: Solve for x
    x = 144,590,578,178.21/439,565.84
  6. Step 6: Final answer
    x = 328,939.52

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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.