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Finding the Fourth Proportional to 630,292.44, 944,049.60 and 520,980.60

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Solution

The fourth proportional to 630,292.44, 944,049.60 and 520,980.60 is: 780,322.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,292.44 : 944,049.60 = 520,980.60 : x
  2. Step 2: Convert to fraction form
    630,292.44/944,049.60 = 520,980.60/x
  3. Step 3: Cross multiply
    630,292.44x = 944,049.60 × 520,980.60
  4. Step 4: Simplify right side
    630,292.44x = 491,831,527,037.76
  5. Step 5: Solve for x
    x = 491,831,527,037.76/630,292.44
  6. Step 6: Final answer
    x = 780,322.75

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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.