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Finding the Fourth Proportional to 630,540.80, 945,811.20 and 593,676.80

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Solution

The fourth proportional to 630,540.80, 945,811.20 and 593,676.80 is: 890,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,540.80 : 945,811.20 = 593,676.80 : x
  2. Step 2: Convert to fraction form
    630,540.80/945,811.20 = 593,676.80/x
  3. Step 3: Cross multiply
    630,540.80x = 945,811.20 × 593,676.80
  4. Step 4: Simplify right side
    630,540.80x = 561,506,166,620.16
  5. Step 5: Solve for x
    x = 561,506,166,620.16/630,540.80
  6. Step 6: Final answer
    x = 890,515.20

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Double scale
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Similar ratio
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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.