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Finding the Fourth Proportional to 350,316.96, 483,438.89 and 197,356.98

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Solution

The fourth proportional to 350,316.96, 483,438.89 and 197,356.98 is: 272,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,316.96 : 483,438.89 = 197,356.98 : x
  2. Step 2: Convert to fraction form
    350,316.96/483,438.89 = 197,356.98/x
  3. Step 3: Cross multiply
    350,316.96x = 483,438.89 × 197,356.98
  4. Step 4: Simplify right side
    350,316.96x = 95,410,038,358.17
  5. Step 5: Solve for x
    x = 95,410,038,358.17/350,316.96
  6. Step 6: Final answer
    x = 272,353.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.