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Finding the Fourth Proportional to 302,950.16, 418,052.21 and 166,976.63

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Solution

The fourth proportional to 302,950.16, 418,052.21 and 166,976.63 is: 230,417.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,950.16 : 418,052.21 = 166,976.63 : x
  2. Step 2: Convert to fraction form
    302,950.16/418,052.21 = 166,976.63/x
  3. Step 3: Cross multiply
    302,950.16x = 418,052.21 × 166,976.63
  4. Step 4: Simplify right side
    302,950.16x = 69,804,946,264.71
  5. Step 5: Solve for x
    x = 69,804,946,264.71/302,950.16
  6. Step 6: Final answer
    x = 230,417.27

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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.