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Finding the Fourth Proportional to 447,353.44, 617,368.08 and 277,642.24

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Solution

The fourth proportional to 447,353.44, 617,368.08 and 277,642.24 is: 383,158.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,353.44 : 617,368.08 = 277,642.24 : x
  2. Step 2: Convert to fraction form
    447,353.44/617,368.08 = 277,642.24/x
  3. Step 3: Cross multiply
    447,353.44x = 617,368.08 × 277,642.24
  4. Step 4: Simplify right side
    447,353.44x = 171,407,456,635.70
  5. Step 5: Solve for x
    x = 171,407,456,635.70/447,353.44
  6. Step 6: Final answer
    x = 383,158.91

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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.