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Finding the Fourth Proportional to 350,496.40, 525,053.40 and 325,613.20

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Solution

The fourth proportional to 350,496.40, 525,053.40 and 325,613.20 is: 487,777.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,496.40 : 525,053.40 = 325,613.20 : x
  2. Step 2: Convert to fraction form
    350,496.40/525,053.40 = 325,613.20/x
  3. Step 3: Cross multiply
    350,496.40x = 525,053.40 × 325,613.20
  4. Step 4: Simplify right side
    350,496.40x = 170,964,317,744.88
  5. Step 5: Solve for x
    x = 170,964,317,744.88/350,496.40
  6. Step 6: Final answer
    x = 487,777.67

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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.