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Finding the Fourth Proportional to 525,020.10, 787,655.43 and 170,034.90

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Solution

The fourth proportional to 525,020.10, 787,655.43 and 170,034.90 is: 255,092.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,020.10 : 787,655.43 = 170,034.90 : x
  2. Step 2: Convert to fraction form
    525,020.10/787,655.43 = 170,034.90/x
  3. Step 3: Cross multiply
    525,020.10x = 787,655.43 × 170,034.90
  4. Step 4: Simplify right side
    525,020.10x = 133,928,912,274.51
  5. Step 5: Solve for x
    x = 133,928,912,274.51/525,020.10
  6. Step 6: Final answer
    x = 255,092.92

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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.