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Finding the Fourth Proportional to 340,312.73, 510,153.65 and 150,672.02

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Solution

The fourth proportional to 340,312.73, 510,153.65 and 150,672.02 is: 225,868.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,312.73 : 510,153.65 = 150,672.02 : x
  2. Step 2: Convert to fraction form
    340,312.73/510,153.65 = 150,672.02/x
  3. Step 3: Cross multiply
    340,312.73x = 510,153.65 × 150,672.02
  4. Step 4: Simplify right side
    340,312.73x = 76,865,880,202.51
  5. Step 5: Solve for x
    x = 76,865,880,202.51/340,312.73
  6. Step 6: Final answer
    x = 225,868.37

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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.