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Finding the Fourth Proportional to 291,001.77, 401,549.94 and 163,674.63

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Solution

The fourth proportional to 291,001.77, 401,549.94 and 163,674.63 is: 225,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,001.77 : 401,549.94 = 163,674.63 : x
  2. Step 2: Convert to fraction form
    291,001.77/401,549.94 = 163,674.63/x
  3. Step 3: Cross multiply
    291,001.77x = 401,549.94 × 163,674.63
  4. Step 4: Simplify right side
    291,001.77x = 65,723,537,856.02
  5. Step 5: Solve for x
    x = 65,723,537,856.02/291,001.77
  6. Step 6: Final answer
    x = 225,852.71

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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.