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Finding the Fourth Proportional to 334,117.20, 502,212.60 and 327,896.40

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Solution

The fourth proportional to 334,117.20, 502,212.60 and 327,896.40 is: 492,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,117.20 : 502,212.60 = 327,896.40 : x
  2. Step 2: Convert to fraction form
    334,117.20/502,212.60 = 327,896.40/x
  3. Step 3: Cross multiply
    334,117.20x = 502,212.60 × 327,896.40
  4. Step 4: Simplify right side
    334,117.20x = 164,673,703,574.64
  5. Step 5: Solve for x
    x = 164,673,703,574.64/334,117.20
  6. Step 6: Final answer
    x = 492,862.10

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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.