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Finding the Fourth Proportional to 302,720.06, 417,753.79 and 175,469.47

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Solution

The fourth proportional to 302,720.06, 417,753.79 and 175,469.47 is: 242,147.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,720.06 : 417,753.79 = 175,469.47 : x
  2. Step 2: Convert to fraction form
    302,720.06/417,753.79 = 175,469.47/x
  3. Step 3: Cross multiply
    302,720.06x = 417,753.79 × 175,469.47
  4. Step 4: Simplify right side
    302,720.06x = 73,303,034,638.73
  5. Step 5: Solve for x
    x = 73,303,034,638.73/302,720.06
  6. Step 6: Final answer
    x = 242,147.92

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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.