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Finding the Fourth Proportional to 338,495.36, 467,335.88 and 217,846.16

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Solution

The fourth proportional to 338,495.36, 467,335.88 and 217,846.16 is: 300,764.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,495.36 : 467,335.88 = 217,846.16 : x
  2. Step 2: Convert to fraction form
    338,495.36/467,335.88 = 217,846.16/x
  3. Step 3: Cross multiply
    338,495.36x = 467,335.88 × 217,846.16
  4. Step 4: Simplify right side
    338,495.36x = 101,807,326,888.22
  5. Step 5: Solve for x
    x = 101,807,326,888.22/338,495.36
  6. Step 6: Final answer
    x = 300,764.32

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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.