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Finding the Fourth Proportional to 300,533.36, 450,726.93 and 100,801.94

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Solution

The fourth proportional to 300,533.36, 450,726.93 and 100,801.94 is: 151,178.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,533.36 : 450,726.93 = 100,801.94 : x
  2. Step 2: Convert to fraction form
    300,533.36/450,726.93 = 100,801.94/x
  3. Step 3: Cross multiply
    300,533.36x = 450,726.93 × 100,801.94
  4. Step 4: Simplify right side
    300,533.36x = 45,434,146,700.61
  5. Step 5: Solve for x
    x = 45,434,146,700.61/300,533.36
  6. Step 6: Final answer
    x = 151,178.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.