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Finding the Fourth Proportional to 302,791.50, 417,852.27 and 175,540.91

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Solution

The fourth proportional to 302,791.50, 417,852.27 and 175,540.91 is: 242,246.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,791.50 : 417,852.27 = 175,540.91 : x
  2. Step 2: Convert to fraction form
    302,791.50/417,852.27 = 175,540.91/x
  3. Step 3: Cross multiply
    302,791.50x = 417,852.27 × 175,540.91
  4. Step 4: Simplify right side
    302,791.50x = 73,350,165,632.10
  5. Step 5: Solve for x
    x = 73,350,165,632.10/302,791.50
  6. Step 6: Final answer
    x = 242,246.45

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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.