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Finding the Fourth Proportional to 350,423.20, 525,818.40 and 160,940.80

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Solution

The fourth proportional to 350,423.20, 525,818.40 and 160,940.80 is: 241,495.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,423.20 : 525,818.40 = 160,940.80 : x
  2. Step 2: Convert to fraction form
    350,423.20/525,818.40 = 160,940.80/x
  3. Step 3: Cross multiply
    350,423.20x = 525,818.40 × 160,940.80
  4. Step 4: Simplify right side
    350,423.20x = 84,625,633,950.72
  5. Step 5: Solve for x
    x = 84,625,633,950.72/350,423.20
  6. Step 6: Final answer
    x = 241,495.52

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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.