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Finding the Fourth Proportional to 929,867, 1,394,800.50 and 229,451

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Solution

The fourth proportional to 929,867, 1,394,800.50 and 229,451 is: 344,176.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,867 : 1,394,800.50 = 229,451 : x
  2. Step 2: Convert to fraction form
    929,867/1,394,800.50 = 229,451/x
  3. Step 3: Cross multiply
    929,867x = 1,394,800.50 × 229,451
  4. Step 4: Simplify right side
    929,867x = 320,038,369,525.50
  5. Step 5: Solve for x
    x = 320,038,369,525.50/929,867
  6. Step 6: Final answer
    x = 344,176.50

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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.