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Finding the Fourth Proportional to 329,315.68, 493,921.80 and 104,646.52

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Solution

The fourth proportional to 329,315.68, 493,921.80 and 104,646.52 is: 156,953.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,315.68 : 493,921.80 = 104,646.52 : x
  2. Step 2: Convert to fraction form
    329,315.68/493,921.80 = 104,646.52/x
  3. Step 3: Cross multiply
    329,315.68x = 493,921.80 × 104,646.52
  4. Step 4: Simplify right side
    329,315.68x = 51,687,197,522.14
  5. Step 5: Solve for x
    x = 51,687,197,522.14/329,315.68
  6. Step 6: Final answer
    x = 156,953.34

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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.