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Finding the Fourth Proportional to 248,973.60, 373,460.40 and 192,986.40

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Solution

The fourth proportional to 248,973.60, 373,460.40 and 192,986.40 is: 289,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,973.60 : 373,460.40 = 192,986.40 : x
  2. Step 2: Convert to fraction form
    248,973.60/373,460.40 = 192,986.40/x
  3. Step 3: Cross multiply
    248,973.60x = 373,460.40 × 192,986.40
  4. Step 4: Simplify right side
    248,973.60x = 72,072,778,138.56
  5. Step 5: Solve for x
    x = 72,072,778,138.56/248,973.60
  6. Step 6: Final answer
    x = 289,479.60

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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.