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Finding the Fourth Proportional to 350,271, 525,357.26 and 113,615.74

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Solution

The fourth proportional to 350,271, 525,357.26 and 113,615.74 is: 170,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,271 : 525,357.26 = 113,615.74 : x
  2. Step 2: Convert to fraction form
    350,271/525,357.26 = 113,615.74/x
  3. Step 3: Cross multiply
    350,271x = 525,357.26 × 113,615.74
  4. Step 4: Simplify right side
    350,271x = 59,688,853,859.27
  5. Step 5: Solve for x
    x = 59,688,853,859.27/350,271
  6. Step 6: Final answer
    x = 170,407.64

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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.