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Finding the Fourth Proportional to 350,688.80, 483,952.72 and 189,543.44

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Solution

The fourth proportional to 350,688.80, 483,952.72 and 189,543.44 is: 261,571.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,688.80 : 483,952.72 = 189,543.44 : x
  2. Step 2: Convert to fraction form
    350,688.80/483,952.72 = 189,543.44/x
  3. Step 3: Cross multiply
    350,688.80x = 483,952.72 × 189,543.44
  4. Step 4: Simplify right side
    350,688.80x = 91,730,063,346.16
  5. Step 5: Solve for x
    x = 91,730,063,346.16/350,688.80
  6. Step 6: Final answer
    x = 261,571.12

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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.