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Finding the Fourth Proportional to 366,932.90, 550,399.35 and 260,644.70

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Solution

The fourth proportional to 366,932.90, 550,399.35 and 260,644.70 is: 390,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,932.90 : 550,399.35 = 260,644.70 : x
  2. Step 2: Convert to fraction form
    366,932.90/550,399.35 = 260,644.70/x
  3. Step 3: Cross multiply
    366,932.90x = 550,399.35 × 260,644.70
  4. Step 4: Simplify right side
    366,932.90x = 143,458,673,460.95
  5. Step 5: Solve for x
    x = 143,458,673,460.95/366,932.90
  6. Step 6: Final answer
    x = 390,967.05

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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.