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Finding the Fourth Proportional to 350,518.50, 525,777.51 and 84,278.94

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Solution

The fourth proportional to 350,518.50, 525,777.51 and 84,278.94 is: 126,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,518.50 : 525,777.51 = 84,278.94 : x
  2. Step 2: Convert to fraction form
    350,518.50/525,777.51 = 84,278.94/x
  3. Step 3: Cross multiply
    350,518.50x = 525,777.51 × 84,278.94
  4. Step 4: Simplify right side
    350,518.50x = 44,311,971,218.64
  5. Step 5: Solve for x
    x = 44,311,971,218.64/350,518.50
  6. Step 6: Final answer
    x = 126,418.35

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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.