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Finding the Fourth Proportional to 614,037.75, 921,089.43 and 193,346.43

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Solution

The fourth proportional to 614,037.75, 921,089.43 and 193,346.43 is: 290,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,037.75 : 921,089.43 = 193,346.43 : x
  2. Step 2: Convert to fraction form
    614,037.75/921,089.43 = 193,346.43/x
  3. Step 3: Cross multiply
    614,037.75x = 921,089.43 × 193,346.43
  4. Step 4: Simplify right side
    614,037.75x = 178,089,353,001.24
  5. Step 5: Solve for x
    x = 178,089,353,001.24/614,037.75
  6. Step 6: Final answer
    x = 290,029.97

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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.