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Finding the Fourth Proportional to 340,051.71, 510,014.12 and 137,594.76

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Solution

The fourth proportional to 340,051.71, 510,014.12 and 137,594.76 is: 206,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,051.71 : 510,014.12 = 137,594.76 : x
  2. Step 2: Convert to fraction form
    340,051.71/510,014.12 = 137,594.76/x
  3. Step 3: Cross multiply
    340,051.71x = 510,014.12 × 137,594.76
  4. Step 4: Simplify right side
    340,051.71x = 70,175,269,750.04
  5. Step 5: Solve for x
    x = 70,175,269,750.04/340,051.71
  6. Step 6: Final answer
    x = 206,366.47

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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.