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Finding the Fourth Proportional to 443,200.88, 610,880.76 and 313,973.52

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Solution

The fourth proportional to 443,200.88, 610,880.76 and 313,973.52 is: 432,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,200.88 : 610,880.76 = 313,973.52 : x
  2. Step 2: Convert to fraction form
    443,200.88/610,880.76 = 313,973.52/x
  3. Step 3: Cross multiply
    443,200.88x = 610,880.76 × 313,973.52
  4. Step 4: Simplify right side
    443,200.88x = 191,800,382,517.48
  5. Step 5: Solve for x
    x = 191,800,382,517.48/443,200.88
  6. Step 6: Final answer
    x = 432,761.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.