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Finding the Fourth Proportional to 217,779.44, 299,840.45 and 185,820.08

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Solution

The fourth proportional to 217,779.44, 299,840.45 and 185,820.08 is: 255,838.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,779.44 : 299,840.45 = 185,820.08 : x
  2. Step 2: Convert to fraction form
    217,779.44/299,840.45 = 185,820.08/x
  3. Step 3: Cross multiply
    217,779.44x = 299,840.45 × 185,820.08
  4. Step 4: Simplify right side
    217,779.44x = 55,716,377,620.39
  5. Step 5: Solve for x
    x = 55,716,377,620.39/217,779.44
  6. Step 6: Final answer
    x = 255,838.55

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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.