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Finding the Fourth Proportional to 300,803.63, 415,109.00 and 179,950.01

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Solution

The fourth proportional to 300,803.63, 415,109.00 and 179,950.01 is: 248,331.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,803.63 : 415,109.00 = 179,950.01 : x
  2. Step 2: Convert to fraction form
    300,803.63/415,109.00 = 179,950.01/x
  3. Step 3: Cross multiply
    300,803.63x = 415,109.00 × 179,950.01
  4. Step 4: Simplify right side
    300,803.63x = 74,698,867,075.42
  5. Step 5: Solve for x
    x = 74,698,867,075.42/300,803.63
  6. Step 6: Final answer
    x = 248,331.01

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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.