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Finding the Fourth Proportional to 293,152.40, 439,426.20 and 159,750.80

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Solution

The fourth proportional to 293,152.40, 439,426.20 and 159,750.80 is: 239,461.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,152.40 : 439,426.20 = 159,750.80 : x
  2. Step 2: Convert to fraction form
    293,152.40/439,426.20 = 159,750.80/x
  3. Step 3: Cross multiply
    293,152.40x = 439,426.20 × 159,750.80
  4. Step 4: Simplify right side
    293,152.40x = 70,198,686,990.96
  5. Step 5: Solve for x
    x = 70,198,686,990.96/293,152.40
  6. Step 6: Final answer
    x = 239,461.41

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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.