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Finding the Fourth Proportional to 630,532.80, 945,799.20 and 593,668.80

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Solution

The fourth proportional to 630,532.80, 945,799.20 and 593,668.80 is: 890,503.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,532.80 : 945,799.20 = 593,668.80 : x
  2. Step 2: Convert to fraction form
    630,532.80/945,799.20 = 593,668.80/x
  3. Step 3: Cross multiply
    630,532.80x = 945,799.20 × 593,668.80
  4. Step 4: Simplify right side
    630,532.80x = 561,491,476,104.96
  5. Step 5: Solve for x
    x = 561,491,476,104.96/630,532.80
  6. Step 6: Final answer
    x = 890,503.20

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Half scale
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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.