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Finding the Fourth Proportional to 700,903.71, 1,051,340.47 and 195,451.22

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Solution

The fourth proportional to 700,903.71, 1,051,340.47 and 195,451.22 is: 293,172.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,903.71 : 1,051,340.47 = 195,451.22 : x
  2. Step 2: Convert to fraction form
    700,903.71/1,051,340.47 = 195,451.22/x
  3. Step 3: Cross multiply
    700,903.71x = 1,051,340.47 × 195,451.22
  4. Step 4: Simplify right side
    700,903.71x = 205,485,777,496.87
  5. Step 5: Solve for x
    x = 205,485,777,496.87/700,903.71
  6. Step 6: Final answer
    x = 293,172.62

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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.