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Finding the Fourth Proportional to 365,004.30, 547,506.42 and 115,686.30

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Solution

The fourth proportional to 365,004.30, 547,506.42 and 115,686.30 is: 173,529.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,004.30 : 547,506.42 = 115,686.30 : x
  2. Step 2: Convert to fraction form
    365,004.30/547,506.42 = 115,686.30/x
  3. Step 3: Cross multiply
    365,004.30x = 547,506.42 × 115,686.30
  4. Step 4: Simplify right side
    365,004.30x = 63,338,991,956.05
  5. Step 5: Solve for x
    x = 63,338,991,956.05/365,004.30
  6. Step 6: Final answer
    x = 173,529.44

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.