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Finding the Fourth Proportional to 353,436.89, 526,157.65 and 351,334.94

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Solution

The fourth proportional to 353,436.89, 526,157.65 and 351,334.94 is: 523,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,436.89 : 526,157.65 = 351,334.94 : x
  2. Step 2: Convert to fraction form
    353,436.89/526,157.65 = 351,334.94/x
  3. Step 3: Cross multiply
    353,436.89x = 526,157.65 × 351,334.94
  4. Step 4: Simplify right side
    353,436.89x = 184,857,567,653.00
  5. Step 5: Solve for x
    x = 184,857,567,653.00/353,436.89
  6. Step 6: Final answer
    x = 523,028.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.