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Finding the Fourth Proportional to 350,516.28, 525,774.40 and 84,276.76

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Solution

The fourth proportional to 350,516.28, 525,774.40 and 84,276.76 is: 126,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,516.28 : 525,774.40 = 84,276.76 : x
  2. Step 2: Convert to fraction form
    350,516.28/525,774.40 = 84,276.76/x
  3. Step 3: Cross multiply
    350,516.28x = 525,774.40 × 84,276.76
  4. Step 4: Simplify right side
    350,516.28x = 44,310,562,922.94
  5. Step 5: Solve for x
    x = 44,310,562,922.94/350,516.28
  6. Step 6: Final answer
    x = 126,415.14

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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.