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Finding the Fourth Proportional to 350,656.40, 525,984.60 and 201,357.20

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Solution

The fourth proportional to 350,656.40, 525,984.60 and 201,357.20 is: 302,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,656.40 : 525,984.60 = 201,357.20 : x
  2. Step 2: Convert to fraction form
    350,656.40/525,984.60 = 201,357.20/x
  3. Step 3: Cross multiply
    350,656.40x = 525,984.60 × 201,357.20
  4. Step 4: Simplify right side
    350,656.40x = 105,910,786,299.12
  5. Step 5: Solve for x
    x = 105,910,786,299.12/350,656.40
  6. Step 6: Final answer
    x = 302,035.80

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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.