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Finding the Fourth Proportional to 562,441.20, 845,630.10 and 550,631.40

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Solution

The fourth proportional to 562,441.20, 845,630.10 and 550,631.40 is: 827,874.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,441.20 : 845,630.10 = 550,631.40 : x
  2. Step 2: Convert to fraction form
    562,441.20/845,630.10 = 550,631.40/x
  3. Step 3: Cross multiply
    562,441.20x = 845,630.10 × 550,631.40
  4. Step 4: Simplify right side
    562,441.20x = 465,630,485,845.14
  5. Step 5: Solve for x
    x = 465,630,485,845.14/562,441.20
  6. Step 6: Final answer
    x = 827,874.07

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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.