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Finding the Fourth Proportional to 481,601.48, 665,056.78 and 360,532.58

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Solution

The fourth proportional to 481,601.48, 665,056.78 and 360,532.58 is: 497,869.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,601.48 : 665,056.78 = 360,532.58 : x
  2. Step 2: Convert to fraction form
    481,601.48/665,056.78 = 360,532.58/x
  3. Step 3: Cross multiply
    481,601.48x = 665,056.78 × 360,532.58
  4. Step 4: Simplify right side
    481,601.48x = 239,774,632,513.28
  5. Step 5: Solve for x
    x = 239,774,632,513.28/481,601.48
  6. Step 6: Final answer
    x = 497,869.39

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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.