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Finding the Fourth Proportional to 433,620.18, 650,430.27 and 285,841.62

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Solution

The fourth proportional to 433,620.18, 650,430.27 and 285,841.62 is: 428,762.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,620.18 : 650,430.27 = 285,841.62 : x
  2. Step 2: Convert to fraction form
    433,620.18/650,430.27 = 285,841.62/x
  3. Step 3: Cross multiply
    433,620.18x = 650,430.27 × 285,841.62
  4. Step 4: Simplify right side
    433,620.18x = 185,920,042,073.84
  5. Step 5: Solve for x
    x = 185,920,042,073.84/433,620.18
  6. Step 6: Final answer
    x = 428,762.43

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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.