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Finding the Fourth Proportional to 329,127.35, 493,294.13 and 151,390.67

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Solution

The fourth proportional to 329,127.35, 493,294.13 and 151,390.67 is: 226,903.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,127.35 : 493,294.13 = 151,390.67 : x
  2. Step 2: Convert to fraction form
    329,127.35/493,294.13 = 151,390.67/x
  3. Step 3: Cross multiply
    329,127.35x = 493,294.13 × 151,390.67
  4. Step 4: Simplify right side
    329,127.35x = 74,680,128,090.81
  5. Step 5: Solve for x
    x = 74,680,128,090.81/329,127.35
  6. Step 6: Final answer
    x = 226,903.44

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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.