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Finding the Fourth Proportional to 348,476.46, 480,895.29 and 193,426.08

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Solution

The fourth proportional to 348,476.46, 480,895.29 and 193,426.08 is: 266,926.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,476.46 : 480,895.29 = 193,426.08 : x
  2. Step 2: Convert to fraction form
    348,476.46/480,895.29 = 193,426.08/x
  3. Step 3: Cross multiply
    348,476.46x = 480,895.29 × 193,426.08
  4. Step 4: Simplify right side
    348,476.46x = 93,017,690,835.16
  5. Step 5: Solve for x
    x = 93,017,690,835.16/348,476.46
  6. Step 6: Final answer
    x = 266,926.76

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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.