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Finding the Fourth Proportional to 270,575.70, 405,420.24 and 144,081.63

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Solution

The fourth proportional to 270,575.70, 405,420.24 and 144,081.63 is: 215,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,575.70 : 405,420.24 = 144,081.63 : x
  2. Step 2: Convert to fraction form
    270,575.70/405,420.24 = 144,081.63/x
  3. Step 3: Cross multiply
    270,575.70x = 405,420.24 × 144,081.63
  4. Step 4: Simplify right side
    270,575.70x = 58,413,609,014.19
  5. Step 5: Solve for x
    x = 58,413,609,014.19/270,575.70
  6. Step 6: Final answer
    x = 215,886.38

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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.