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Finding the Fourth Proportional to 344,480.16, 472,416.52 and 330,111.48

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Solution

The fourth proportional to 344,480.16, 472,416.52 and 330,111.48 is: 452,711.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,480.16 : 472,416.52 = 330,111.48 : x
  2. Step 2: Convert to fraction form
    344,480.16/472,416.52 = 330,111.48/x
  3. Step 3: Cross multiply
    344,480.16x = 472,416.52 × 330,111.48
  4. Step 4: Simplify right side
    344,480.16x = 155,950,116,593.65
  5. Step 5: Solve for x
    x = 155,950,116,593.65/344,480.16
  6. Step 6: Final answer
    x = 452,711.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.