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Finding the Fourth Proportional to 525,442.44, 788,274.42 and 170,428.84

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Solution

The fourth proportional to 525,442.44, 788,274.42 and 170,428.84 is: 255,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,442.44 : 788,274.42 = 170,428.84 : x
  2. Step 2: Convert to fraction form
    525,442.44/788,274.42 = 170,428.84/x
  3. Step 3: Cross multiply
    525,442.44x = 788,274.42 × 170,428.84
  4. Step 4: Simplify right side
    525,442.44x = 134,344,695,002.27
  5. Step 5: Solve for x
    x = 134,344,695,002.27/525,442.44
  6. Step 6: Final answer
    x = 255,679.19

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1.5x scale

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.