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Finding the Fourth Proportional to 302,907.53, 417,995.37 and 166,941.07

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Solution

The fourth proportional to 302,907.53, 417,995.37 and 166,941.07 is: 230,369.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,907.53 : 417,995.37 = 166,941.07 : x
  2. Step 2: Convert to fraction form
    302,907.53/417,995.37 = 166,941.07/x
  3. Step 3: Cross multiply
    302,907.53x = 417,995.37 × 166,941.07
  4. Step 4: Simplify right side
    302,907.53x = 69,780,593,277.86
  5. Step 5: Solve for x
    x = 69,780,593,277.86/302,907.53
  6. Step 6: Final answer
    x = 230,369.29

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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.