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Finding the Fourth Proportional to 291,127.77, 401,723.82 and 163,800.63

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Solution

The fourth proportional to 291,127.77, 401,723.82 and 163,800.63 is: 226,026.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,127.77 : 401,723.82 = 163,800.63 : x
  2. Step 2: Convert to fraction form
    291,127.77/401,723.82 = 163,800.63/x
  3. Step 3: Cross multiply
    291,127.77x = 401,723.82 × 163,800.63
  4. Step 4: Simplify right side
    291,127.77x = 65,802,614,802.01
  5. Step 5: Solve for x
    x = 65,802,614,802.01/291,127.77
  6. Step 6: Final answer
    x = 226,026.58

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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.