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Finding the Fourth Proportional to 835,730.40, 1,253,602.80 and 236,704.80

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Solution

The fourth proportional to 835,730.40, 1,253,602.80 and 236,704.80 is: 355,059.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,730.40 : 1,253,602.80 = 236,704.80 : x
  2. Step 2: Convert to fraction form
    835,730.40/1,253,602.80 = 236,704.80/x
  3. Step 3: Cross multiply
    835,730.40x = 1,253,602.80 × 236,704.80
  4. Step 4: Simplify right side
    835,730.40x = 296,733,800,053.44
  5. Step 5: Solve for x
    x = 296,733,800,053.44/835,730.40
  6. Step 6: Final answer
    x = 355,059.24

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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.