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Finding the Fourth Proportional to 630,173.60, 945,260.40 and 551,441.60

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Solution

The fourth proportional to 630,173.60, 945,260.40 and 551,441.60 is: 827,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,173.60 : 945,260.40 = 551,441.60 : x
  2. Step 2: Convert to fraction form
    630,173.60/945,260.40 = 551,441.60/x
  3. Step 3: Cross multiply
    630,173.60x = 945,260.40 × 551,441.60
  4. Step 4: Simplify right side
    630,173.60x = 521,255,907,392.64
  5. Step 5: Solve for x
    x = 521,255,907,392.64/630,173.60
  6. Step 6: Final answer
    x = 827,162.40

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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.