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Finding the Fourth Proportional to 372,152.80, 558,056.40 and 161,682.40

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Solution

The fourth proportional to 372,152.80, 558,056.40 and 161,682.40 is: 242,448.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,152.80 : 558,056.40 = 161,682.40 : x
  2. Step 2: Convert to fraction form
    372,152.80/558,056.40 = 161,682.40/x
  3. Step 3: Cross multiply
    372,152.80x = 558,056.40 × 161,682.40
  4. Step 4: Simplify right side
    372,152.80x = 90,227,898,087.36
  5. Step 5: Solve for x
    x = 90,227,898,087.36/372,152.80
  6. Step 6: Final answer
    x = 242,448.53

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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.