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Finding the Fourth Proportional to 358,365.42, 494,533.44 and 197,220.24

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Solution

The fourth proportional to 358,365.42, 494,533.44 and 197,220.24 is: 272,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,365.42 : 494,533.44 = 197,220.24 : x
  2. Step 2: Convert to fraction form
    358,365.42/494,533.44 = 197,220.24/x
  3. Step 3: Cross multiply
    358,365.42x = 494,533.44 × 197,220.24
  4. Step 4: Simplify right side
    358,365.42x = 97,532,003,724.83
  5. Step 5: Solve for x
    x = 97,532,003,724.83/358,365.42
  6. Step 6: Final answer
    x = 272,157.97

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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.