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Finding the Fourth Proportional to 662,943.74, 994,415.70 and 236,462.32

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Solution

The fourth proportional to 662,943.74, 994,415.70 and 236,462.32 is: 354,693.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,943.74 : 994,415.70 = 236,462.32 : x
  2. Step 2: Convert to fraction form
    662,943.74/994,415.70 = 236,462.32/x
  3. Step 3: Cross multiply
    662,943.74x = 994,415.70 × 236,462.32
  4. Step 4: Simplify right side
    662,943.74x = 235,141,843,466.42
  5. Step 5: Solve for x
    x = 235,141,843,466.42/662,943.74
  6. Step 6: Final answer
    x = 354,693.51

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.