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Finding the Fourth Proportional to 605,872.32, 836,140.32 and 333,939.84

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Solution

The fourth proportional to 605,872.32, 836,140.32 and 333,939.84 is: 460,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,872.32 : 836,140.32 = 333,939.84 : x
  2. Step 2: Convert to fraction form
    605,872.32/836,140.32 = 333,939.84/x
  3. Step 3: Cross multiply
    605,872.32x = 836,140.32 × 333,939.84
  4. Step 4: Simplify right side
    605,872.32x = 279,220,564,678.35
  5. Step 5: Solve for x
    x = 279,220,564,678.35/605,872.32
  6. Step 6: Final answer
    x = 460,857.11

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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.