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Finding the Fourth Proportional to 248,435.60, 372,653.40 and 230,939.60

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Solution

The fourth proportional to 248,435.60, 372,653.40 and 230,939.60 is: 346,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,435.60 : 372,653.40 = 230,939.60 : x
  2. Step 2: Convert to fraction form
    248,435.60/372,653.40 = 230,939.60/x
  3. Step 3: Cross multiply
    248,435.60x = 372,653.40 × 230,939.60
  4. Step 4: Simplify right side
    248,435.60x = 86,060,427,134.64
  5. Step 5: Solve for x
    x = 86,060,427,134.64/248,435.60
  6. Step 6: Final answer
    x = 346,409.40

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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.