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Finding the Fourth Proportional to 307,069.04, 460,254.15 and 186,860.87

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Solution

The fourth proportional to 307,069.04, 460,254.15 and 186,860.87 is: 280,078.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,069.04 : 460,254.15 = 186,860.87 : x
  2. Step 2: Convert to fraction form
    307,069.04/460,254.15 = 186,860.87/x
  3. Step 3: Cross multiply
    307,069.04x = 460,254.15 × 186,860.87
  4. Step 4: Simplify right side
    307,069.04x = 86,003,489,991.17
  5. Step 5: Solve for x
    x = 86,003,489,991.17/307,069.04
  6. Step 6: Final answer
    x = 280,078.68

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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.