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Finding the Fourth Proportional to 525,635.80, 788,021.70 and 226,346.20

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Solution

The fourth proportional to 525,635.80, 788,021.70 and 226,346.20 is: 339,333.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,635.80 : 788,021.70 = 226,346.20 : x
  2. Step 2: Convert to fraction form
    525,635.80/788,021.70 = 226,346.20/x
  3. Step 3: Cross multiply
    525,635.80x = 788,021.70 × 226,346.20
  4. Step 4: Simplify right side
    525,635.80x = 178,365,717,312.54
  5. Step 5: Solve for x
    x = 178,365,717,312.54/525,635.80
  6. Step 6: Final answer
    x = 339,333.27

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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.