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Finding the Fourth Proportional to 341,743.60, 513,133.80 and 262,946.80

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Solution

The fourth proportional to 341,743.60, 513,133.80 and 262,946.80 is: 394,819.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,743.60 : 513,133.80 = 262,946.80 : x
  2. Step 2: Convert to fraction form
    341,743.60/513,133.80 = 262,946.80/x
  3. Step 3: Cross multiply
    341,743.60x = 513,133.80 × 262,946.80
  4. Step 4: Simplify right side
    341,743.60x = 134,926,890,681.84
  5. Step 5: Solve for x
    x = 134,926,890,681.84/341,743.60
  6. Step 6: Final answer
    x = 394,819.07

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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.