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Finding the Fourth Proportional to 334,908.40, 502,362.60 and 329,076.40

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Solution

The fourth proportional to 334,908.40, 502,362.60 and 329,076.40 is: 493,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,908.40 : 502,362.60 = 329,076.40 : x
  2. Step 2: Convert to fraction form
    334,908.40/502,362.60 = 329,076.40/x
  3. Step 3: Cross multiply
    334,908.40x = 502,362.60 × 329,076.40
  4. Step 4: Simplify right side
    334,908.40x = 165,315,675,902.64
  5. Step 5: Solve for x
    x = 165,315,675,902.64/334,908.40
  6. Step 6: Final answer
    x = 493,614.60

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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.