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Finding the Fourth Proportional to 350,308.64, 525,536.76 and 113,632.84

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Solution

The fourth proportional to 350,308.64, 525,536.76 and 113,632.84 is: 170,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,308.64 : 525,536.76 = 113,632.84 : x
  2. Step 2: Convert to fraction form
    350,308.64/525,536.76 = 113,632.84/x
  3. Step 3: Cross multiply
    350,308.64x = 525,536.76 × 113,632.84
  4. Step 4: Simplify right side
    350,308.64x = 59,718,234,563.20
  5. Step 5: Solve for x
    x = 59,718,234,563.20/350,308.64
  6. Step 6: Final answer
    x = 170,473.20

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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.