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Finding the Fourth Proportional to 630,538.80, 945,808.20 and 593,674.80

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Solution

The fourth proportional to 630,538.80, 945,808.20 and 593,674.80 is: 890,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,538.80 : 945,808.20 = 593,674.80 : x
  2. Step 2: Convert to fraction form
    630,538.80/945,808.20 = 593,674.80/x
  3. Step 3: Cross multiply
    630,538.80x = 945,808.20 × 593,674.80
  4. Step 4: Simplify right side
    630,538.80x = 561,502,493,973.36
  5. Step 5: Solve for x
    x = 561,502,493,973.36/630,538.80
  6. Step 6: Final answer
    x = 890,512.20

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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.