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Finding the Fourth Proportional to 291,785.52, 402,667.09 and 164,461.11

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Solution

The fourth proportional to 291,785.52, 402,667.09 and 164,461.11 is: 226,958.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,785.52 : 402,667.09 = 164,461.11 : x
  2. Step 2: Convert to fraction form
    291,785.52/402,667.09 = 164,461.11/x
  3. Step 3: Cross multiply
    291,785.52x = 402,667.09 × 164,461.11
  4. Step 4: Simplify right side
    291,785.52x = 66,223,076,581.87
  5. Step 5: Solve for x
    x = 66,223,076,581.87/291,785.52
  6. Step 6: Final answer
    x = 226,958.06

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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.