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Finding the Fourth Proportional to 247,365.31, 370,487.30 and 193,722.92

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Solution

The fourth proportional to 247,365.31, 370,487.30 and 193,722.92 is: 290,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,365.31 : 370,487.30 = 193,722.92 : x
  2. Step 2: Convert to fraction form
    247,365.31/370,487.30 = 193,722.92/x
  3. Step 3: Cross multiply
    247,365.31x = 370,487.30 × 193,722.92
  4. Step 4: Simplify right side
    247,365.31x = 71,771,881,578.92
  5. Step 5: Solve for x
    x = 71,771,881,578.92/247,365.31
  6. Step 6: Final answer
    x = 290,145.30

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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.