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Finding the Fourth Proportional to 291,083.77, 401,663.10 and 163,756.63

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Solution

The fourth proportional to 291,083.77, 401,663.10 and 163,756.63 is: 225,965.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,083.77 : 401,663.10 = 163,756.63 : x
  2. Step 2: Convert to fraction form
    291,083.77/401,663.10 = 163,756.63/x
  3. Step 3: Cross multiply
    291,083.77x = 401,663.10 × 163,756.63
  4. Step 4: Simplify right side
    291,083.77x = 65,774,995,651.35
  5. Step 5: Solve for x
    x = 65,774,995,651.35/291,083.77
  6. Step 6: Final answer
    x = 225,965.86

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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.