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Finding the Fourth Proportional to 348,726.45, 481,242.25 and 195,764.93

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Solution

The fourth proportional to 348,726.45, 481,242.25 and 195,764.93 is: 270,155.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,726.45 : 481,242.25 = 195,764.93 : x
  2. Step 2: Convert to fraction form
    348,726.45/481,242.25 = 195,764.93/x
  3. Step 3: Cross multiply
    348,726.45x = 481,242.25 × 195,764.93
  4. Step 4: Simplify right side
    348,726.45x = 94,210,358,285.02
  5. Step 5: Solve for x
    x = 94,210,358,285.02/348,726.45
  6. Step 6: Final answer
    x = 270,155.47

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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.