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Finding the Fourth Proportional to 630,230.60, 945,345.90 and 605,736.20

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Solution

The fourth proportional to 630,230.60, 945,345.90 and 605,736.20 is: 908,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,230.60 : 945,345.90 = 605,736.20 : x
  2. Step 2: Convert to fraction form
    630,230.60/945,345.90 = 605,736.20/x
  3. Step 3: Cross multiply
    630,230.60x = 945,345.90 × 605,736.20
  4. Step 4: Simplify right side
    630,230.60x = 572,630,233,151.58
  5. Step 5: Solve for x
    x = 572,630,233,151.58/630,230.60
  6. Step 6: Final answer
    x = 908,604.30

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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.