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Finding the Fourth Proportional to 630,575.60, 945,863.40 and 622,281.20

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Solution

The fourth proportional to 630,575.60, 945,863.40 and 622,281.20 is: 933,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,575.60 : 945,863.40 = 622,281.20 : x
  2. Step 2: Convert to fraction form
    630,575.60/945,863.40 = 622,281.20/x
  3. Step 3: Cross multiply
    630,575.60x = 945,863.40 × 622,281.20
  4. Step 4: Simplify right side
    630,575.60x = 588,593,011,588.08
  5. Step 5: Solve for x
    x = 588,593,011,588.08/630,575.60
  6. Step 6: Final answer
    x = 933,421.80

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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.