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Finding the Fourth Proportional to 361,120.94, 541,478.80 and 247,397.22

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Solution

The fourth proportional to 361,120.94, 541,478.80 and 247,397.22 is: 370,957.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,120.94 : 541,478.80 = 247,397.22 : x
  2. Step 2: Convert to fraction form
    361,120.94/541,478.80 = 247,397.22/x
  3. Step 3: Cross multiply
    361,120.94x = 541,478.80 × 247,397.22
  4. Step 4: Simplify right side
    361,120.94x = 133,960,349,808.94
  5. Step 5: Solve for x
    x = 133,960,349,808.94/361,120.94
  6. Step 6: Final answer
    x = 370,957.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.