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Finding the Fourth Proportional to 270,014.10, 405,458.55 and 151,916.10

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Solution

The fourth proportional to 270,014.10, 405,458.55 and 151,916.10 is: 228,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,014.10 : 405,458.55 = 151,916.10 : x
  2. Step 2: Convert to fraction form
    270,014.10/405,458.55 = 151,916.10/x
  3. Step 3: Cross multiply
    270,014.10x = 405,458.55 × 151,916.10
  4. Step 4: Simplify right side
    270,014.10x = 61,595,681,627.66
  5. Step 5: Solve for x
    x = 61,595,681,627.66/270,014.10
  6. Step 6: Final answer
    x = 228,120.24

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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.