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Finding the Fourth Proportional to 235,893.60, 353,840.40 and 189,237.60

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Solution

The fourth proportional to 235,893.60, 353,840.40 and 189,237.60 is: 283,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,893.60 : 353,840.40 = 189,237.60 : x
  2. Step 2: Convert to fraction form
    235,893.60/353,840.40 = 189,237.60/x
  3. Step 3: Cross multiply
    235,893.60x = 353,840.40 × 189,237.60
  4. Step 4: Simplify right side
    235,893.60x = 66,959,908,079.04
  5. Step 5: Solve for x
    x = 66,959,908,079.04/235,893.60
  6. Step 6: Final answer
    x = 283,856.40

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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.