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Finding the Fourth Proportional to 468,703.38, 646,810.11 and 253,843.32

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Solution

The fourth proportional to 468,703.38, 646,810.11 and 253,843.32 is: 350,303.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,703.38 : 646,810.11 = 253,843.32 : x
  2. Step 2: Convert to fraction form
    468,703.38/646,810.11 = 253,843.32/x
  3. Step 3: Cross multiply
    468,703.38x = 646,810.11 × 253,843.32
  4. Step 4: Simplify right side
    468,703.38x = 164,188,425,731.97
  5. Step 5: Solve for x
    x = 164,188,425,731.97/468,703.38
  6. Step 6: Final answer
    x = 350,303.48

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.