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Finding the Fourth Proportional to 329,599.68, 454,813.92 and 202,280.64

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Solution

The fourth proportional to 329,599.68, 454,813.92 and 202,280.64 is: 279,126.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,599.68 : 454,813.92 = 202,280.64 : x
  2. Step 2: Convert to fraction form
    329,599.68/454,813.92 = 202,280.64/x
  3. Step 3: Cross multiply
    329,599.68x = 454,813.92 × 202,280.64
  4. Step 4: Simplify right side
    329,599.68x = 92,000,050,818.51
  5. Step 5: Solve for x
    x = 92,000,050,818.51/329,599.68
  6. Step 6: Final answer
    x = 279,126.64

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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.