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Finding the Fourth Proportional to 329,609.10, 493,757.55 and 171,926.40

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Solution

The fourth proportional to 329,609.10, 493,757.55 and 171,926.40 is: 257,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,609.10 : 493,757.55 = 171,926.40 : x
  2. Step 2: Convert to fraction form
    329,609.10/493,757.55 = 171,926.40/x
  3. Step 3: Cross multiply
    329,609.10x = 493,757.55 × 171,926.40
  4. Step 4: Simplify right side
    329,609.10x = 84,889,958,044.32
  5. Step 5: Solve for x
    x = 84,889,958,044.32/329,609.10
  6. Step 6: Final answer
    x = 257,547.37

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1.5x scale

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.