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Finding the Fourth Proportional to 348,039.54, 480,294.54 and 197,136.54

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Solution

The fourth proportional to 348,039.54, 480,294.54 and 197,136.54 is: 272,048.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,039.54 : 480,294.54 = 197,136.54 : x
  2. Step 2: Convert to fraction form
    348,039.54/480,294.54 = 197,136.54/x
  3. Step 3: Cross multiply
    348,039.54x = 480,294.54 × 197,136.54
  4. Step 4: Simplify right side
    348,039.54x = 94,683,603,796.49
  5. Step 5: Solve for x
    x = 94,683,603,796.49/348,039.54
  6. Step 6: Final answer
    x = 272,048.41

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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.