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Finding the Fourth Proportional to 349,903.60, 525,244.20 and 192,439.60

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Solution

The fourth proportional to 349,903.60, 525,244.20 and 192,439.60 is: 288,873.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,903.60 : 525,244.20 = 192,439.60 : x
  2. Step 2: Convert to fraction form
    349,903.60/525,244.20 = 192,439.60/x
  3. Step 3: Cross multiply
    349,903.60x = 525,244.20 × 192,439.60
  4. Step 4: Simplify right side
    349,903.60x = 101,077,783,750.32
  5. Step 5: Solve for x
    x = 101,077,783,750.32/349,903.60
  6. Step 6: Final answer
    x = 288,873.23

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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.