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Finding the Fourth Proportional to 366,953.95, 550,430.93 and 254,979.55

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Solution

The fourth proportional to 366,953.95, 550,430.93 and 254,979.55 is: 382,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,953.95 : 550,430.93 = 254,979.55 : x
  2. Step 2: Convert to fraction form
    366,953.95/550,430.93 = 254,979.55/x
  3. Step 3: Cross multiply
    366,953.95x = 550,430.93 × 254,979.55
  4. Step 4: Simplify right side
    366,953.95x = 140,348,630,837.48
  5. Step 5: Solve for x
    x = 140,348,630,837.48/366,953.95
  6. Step 6: Final answer
    x = 382,469.33

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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.