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Finding the Fourth Proportional to 350,378.16, 525,570.12 and 150,684.72

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Solution

The fourth proportional to 350,378.16, 525,570.12 and 150,684.72 is: 226,028.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,378.16 : 525,570.12 = 150,684.72 : x
  2. Step 2: Convert to fraction form
    350,378.16/525,570.12 = 150,684.72/x
  3. Step 3: Cross multiply
    350,378.16x = 525,570.12 × 150,684.72
  4. Step 4: Simplify right side
    350,378.16x = 79,195,386,372.57
  5. Step 5: Solve for x
    x = 79,195,386,372.57/350,378.16
  6. Step 6: Final answer
    x = 226,028.32

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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.