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Finding the Fourth Proportional to 380,559.19, 570,789.57 and 181,006.37

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Solution

The fourth proportional to 380,559.19, 570,789.57 and 181,006.37 is: 271,486.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,559.19 : 570,789.57 = 181,006.37 : x
  2. Step 2: Convert to fraction form
    380,559.19/570,789.57 = 181,006.37/x
  3. Step 3: Cross multiply
    380,559.19x = 570,789.57 × 181,006.37
  4. Step 4: Simplify right side
    380,559.19x = 103,316,549,415.66
  5. Step 5: Solve for x
    x = 103,316,549,415.66/380,559.19
  6. Step 6: Final answer
    x = 271,486.15

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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.