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Finding the Fourth Proportional to 329,494.32, 454,750.74 and 208,646.64

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Solution

The fourth proportional to 329,494.32, 454,750.74 and 208,646.64 is: 287,963.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,494.32 : 454,750.74 = 208,646.64 : x
  2. Step 2: Convert to fraction form
    329,494.32/454,750.74 = 208,646.64/x
  3. Step 3: Cross multiply
    329,494.32x = 454,750.74 × 208,646.64
  4. Step 4: Simplify right side
    329,494.32x = 94,882,213,938.51
  5. Step 5: Solve for x
    x = 94,882,213,938.51/329,494.32
  6. Step 6: Final answer
    x = 287,963.12

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