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Finding the Fourth Proportional to 605,457.44, 835,468.41 and 372,847.40

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Solution

The fourth proportional to 605,457.44, 835,468.41 and 372,847.40 is: 514,490.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,457.44 : 835,468.41 = 372,847.40 : x
  2. Step 2: Convert to fraction form
    605,457.44/835,468.41 = 372,847.40/x
  3. Step 3: Cross multiply
    605,457.44x = 835,468.41 × 372,847.40
  4. Step 4: Simplify right side
    605,457.44x = 311,502,224,450.63
  5. Step 5: Solve for x
    x = 311,502,224,450.63/605,457.44
  6. Step 6: Final answer
    x = 514,490.70

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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.