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Finding the Fourth Proportional to 348,297.84, 480,656.43 and 195,369.98

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Solution

The fourth proportional to 348,297.84, 480,656.43 and 195,369.98 is: 269,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,297.84 : 480,656.43 = 195,369.98 : x
  2. Step 2: Convert to fraction form
    348,297.84/480,656.43 = 195,369.98/x
  3. Step 3: Cross multiply
    348,297.84x = 480,656.43 × 195,369.98
  4. Step 4: Simplify right side
    348,297.84x = 93,905,834,712.69
  5. Step 5: Solve for x
    x = 93,905,834,712.69/348,297.84
  6. Step 6: Final answer
    x = 269,613.60

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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.