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Finding the Fourth Proportional to 358,533.76, 494,757.80 and 197,357.33

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Solution

The fourth proportional to 358,533.76, 494,757.80 and 197,357.33 is: 272,342.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,533.76 : 494,757.80 = 197,357.33 : x
  2. Step 2: Convert to fraction form
    358,533.76/494,757.80 = 197,357.33/x
  3. Step 3: Cross multiply
    358,533.76x = 494,757.80 × 197,357.33
  4. Step 4: Simplify right side
    358,533.76x = 97,644,076,424.28
  5. Step 5: Solve for x
    x = 97,644,076,424.28/358,533.76
  6. Step 6: Final answer
    x = 272,342.77

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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.