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Finding the Fourth Proportional to 348,323.52, 522,718.30 and 126,707.52

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Solution

The fourth proportional to 348,323.52, 522,718.30 and 126,707.52 is: 190,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,323.52 : 522,718.30 = 126,707.52 : x
  2. Step 2: Convert to fraction form
    348,323.52/522,718.30 = 126,707.52/x
  3. Step 3: Cross multiply
    348,323.52x = 522,718.30 × 126,707.52
  4. Step 4: Simplify right side
    348,323.52x = 66,232,339,451.62
  5. Step 5: Solve for x
    x = 66,232,339,451.62/348,323.52
  6. Step 6: Final answer
    x = 190,146.04

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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.