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Finding the Fourth Proportional to 348,397.47, 480,787.72 and 193,372.52

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Solution

The fourth proportional to 348,397.47, 480,787.72 and 193,372.52 is: 266,853.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,397.47 : 480,787.72 = 193,372.52 : x
  2. Step 2: Convert to fraction form
    348,397.47/480,787.72 = 193,372.52/x
  3. Step 3: Cross multiply
    348,397.47x = 480,787.72 × 193,372.52
  4. Step 4: Simplify right side
    348,397.47x = 92,971,130,597.52
  5. Step 5: Solve for x
    x = 92,971,130,597.52/348,397.47
  6. Step 6: Final answer
    x = 266,853.64

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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.