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Finding the Fourth Proportional to 350,291.34, 525,510.89 and 113,615.64

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Solution

The fourth proportional to 350,291.34, 525,510.89 and 113,615.64 is: 170,447.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,291.34 : 525,510.89 = 113,615.64 : x
  2. Step 2: Convert to fraction form
    350,291.34/525,510.89 = 113,615.64/x
  3. Step 3: Cross multiply
    350,291.34x = 525,510.89 × 113,615.64
  4. Step 4: Simplify right side
    350,291.34x = 59,706,256,094.32
  5. Step 5: Solve for x
    x = 59,706,256,094.32/350,291.34
  6. Step 6: Final answer
    x = 170,447.42

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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.