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Finding the Fourth Proportional to 350,586.50, 525,879.75 and 84,347.01

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Solution

The fourth proportional to 350,586.50, 525,879.75 and 84,347.01 is: 126,520.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,586.50 : 525,879.75 = 84,347.01 : x
  2. Step 2: Convert to fraction form
    350,586.50/525,879.75 = 84,347.01/x
  3. Step 3: Cross multiply
    350,586.50x = 525,879.75 × 84,347.01
  4. Step 4: Simplify right side
    350,586.50x = 44,356,384,532.05
  5. Step 5: Solve for x
    x = 44,356,384,532.05/350,586.50
  6. Step 6: Final answer
    x = 126,520.52

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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.