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Finding the Fourth Proportional to 571,081.72, 856,675.48 and 186,832.71

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Solution

The fourth proportional to 571,081.72, 856,675.48 and 186,832.71 is: 280,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,081.72 : 856,675.48 = 186,832.71 : x
  2. Step 2: Convert to fraction form
    571,081.72/856,675.48 = 186,832.71/x
  3. Step 3: Cross multiply
    571,081.72x = 856,675.48 × 186,832.71
  4. Step 4: Simplify right side
    571,081.72x = 160,054,997,235.57
  5. Step 5: Solve for x
    x = 160,054,997,235.57/571,081.72
  6. Step 6: Final answer
    x = 280,266.36

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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.