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Finding the Fourth Proportional to 350,456.30, 525,684.39 and 84,216.81

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Solution

The fourth proportional to 350,456.30, 525,684.39 and 84,216.81 is: 126,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,456.30 : 525,684.39 = 84,216.81 : x
  2. Step 2: Convert to fraction form
    350,456.30/525,684.39 = 84,216.81/x
  3. Step 3: Cross multiply
    350,456.30x = 525,684.39 × 84,216.81
  4. Step 4: Simplify right side
    350,456.30x = 44,271,462,392.60
  5. Step 5: Solve for x
    x = 44,271,462,392.60/350,456.30
  6. Step 6: Final answer
    x = 126,325.20

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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.