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Finding the Fourth Proportional to 265,054.59, 397,580.03 and 107,280.77

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Solution

The fourth proportional to 265,054.59, 397,580.03 and 107,280.77 is: 160,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,054.59 : 397,580.03 = 107,280.77 : x
  2. Step 2: Convert to fraction form
    265,054.59/397,580.03 = 107,280.77/x
  3. Step 3: Cross multiply
    265,054.59x = 397,580.03 × 107,280.77
  4. Step 4: Simplify right side
    265,054.59x = 42,652,689,230.72
  5. Step 5: Solve for x
    x = 42,652,689,230.72/265,054.59
  6. Step 6: Final answer
    x = 160,920.39

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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.