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Finding the Fourth Proportional to 349,410.60, 524,504.70 and 191,946.60

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Solution

The fourth proportional to 349,410.60, 524,504.70 and 191,946.60 is: 288,133.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,410.60 : 524,504.70 = 191,946.60 : x
  2. Step 2: Convert to fraction form
    349,410.60/524,504.70 = 191,946.60/x
  3. Step 3: Cross multiply
    349,410.60x = 524,504.70 × 191,946.60
  4. Step 4: Simplify right side
    349,410.60x = 100,676,893,849.02
  5. Step 5: Solve for x
    x = 100,676,893,849.02/349,410.60
  6. Step 6: Final answer
    x = 288,133.48

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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.