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Finding the Fourth Proportional to 350,334.72, 525,725.54 and 125,690.16

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Solution

The fourth proportional to 350,334.72, 525,725.54 and 125,690.16 is: 188,615.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,334.72 : 525,725.54 = 125,690.16 : x
  2. Step 2: Convert to fraction form
    350,334.72/525,725.54 = 125,690.16/x
  3. Step 3: Cross multiply
    350,334.72x = 525,725.54 × 125,690.16
  4. Step 4: Simplify right side
    350,334.72x = 66,078,529,053.04
  5. Step 5: Solve for x
    x = 66,078,529,053.04/350,334.72
  6. Step 6: Final answer
    x = 188,615.42

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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.