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Finding the Fourth Proportional to 235,459.50, 353,188.81 and 193,737.75

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Solution

The fourth proportional to 235,459.50, 353,188.81 and 193,737.75 is: 290,606.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,459.50 : 353,188.81 = 193,737.75 : x
  2. Step 2: Convert to fraction form
    235,459.50/353,188.81 = 193,737.75/x
  3. Step 3: Cross multiply
    235,459.50x = 353,188.81 × 193,737.75
  4. Step 4: Simplify right side
    235,459.50x = 68,426,005,374.58
  5. Step 5: Solve for x
    x = 68,426,005,374.58/235,459.50
  6. Step 6: Final answer
    x = 290,606.26

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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.