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Finding the Fourth Proportional to 350,586.40, 525,879.60 and 201,287.20

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Solution

The fourth proportional to 350,586.40, 525,879.60 and 201,287.20 is: 301,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,586.40 : 525,879.60 = 201,287.20 : x
  2. Step 2: Convert to fraction form
    350,586.40/525,879.60 = 201,287.20/x
  3. Step 3: Cross multiply
    350,586.40x = 525,879.60 × 201,287.20
  4. Step 4: Simplify right side
    350,586.40x = 105,852,832,221.12
  5. Step 5: Solve for x
    x = 105,852,832,221.12/350,586.40
  6. Step 6: Final answer
    x = 301,930.80

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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.