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Finding the Fourth Proportional to 607,190, 837,878.88 and 335,213.92

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Solution

The fourth proportional to 607,190, 837,878.88 and 335,213.92 is: 462,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,190 : 837,878.88 = 335,213.92 : x
  2. Step 2: Convert to fraction form
    607,190/837,878.88 = 335,213.92/x
  3. Step 3: Cross multiply
    607,190x = 837,878.88 × 335,213.92
  4. Step 4: Simplify right side
    607,190x = 280,868,663,850.01
  5. Step 5: Solve for x
    x = 280,868,663,850.01/607,190
  6. Step 6: Final answer
    x = 462,571.29

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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.