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Finding the Fourth Proportional to 350,274.40, 525,412.10 and 97,555.61

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Solution

The fourth proportional to 350,274.40, 525,412.10 and 97,555.61 is: 146,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,274.40 : 525,412.10 = 97,555.61 : x
  2. Step 2: Convert to fraction form
    350,274.40/525,412.10 = 97,555.61/x
  3. Step 3: Cross multiply
    350,274.40x = 525,412.10 × 97,555.61
  4. Step 4: Simplify right side
    350,274.40x = 51,256,899,474.30
  5. Step 5: Solve for x
    x = 51,256,899,474.30/350,274.40
  6. Step 6: Final answer
    x = 146,333.56

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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.