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Finding the Fourth Proportional to 302,574.80, 417,549.60 and 166,605.80

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Solution

The fourth proportional to 302,574.80, 417,549.60 and 166,605.80 is: 229,914.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,574.80 : 417,549.60 = 166,605.80 : x
  2. Step 2: Convert to fraction form
    302,574.80/417,549.60 = 166,605.80/x
  3. Step 3: Cross multiply
    302,574.80x = 417,549.60 × 166,605.80
  4. Step 4: Simplify right side
    302,574.80x = 69,566,185,147.68
  5. Step 5: Solve for x
    x = 69,566,185,147.68/302,574.80
  6. Step 6: Final answer
    x = 229,914.01

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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.