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Finding the Fourth Proportional to 630,015.91, 945,022.05 and 156,701.26

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Solution

The fourth proportional to 630,015.91, 945,022.05 and 156,701.26 is: 235,051.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,015.91 : 945,022.05 = 156,701.26 : x
  2. Step 2: Convert to fraction form
    630,015.91/945,022.05 = 156,701.26/x
  3. Step 3: Cross multiply
    630,015.91x = 945,022.05 × 156,701.26
  4. Step 4: Simplify right side
    630,015.91x = 148,086,147,144.06
  5. Step 5: Solve for x
    x = 148,086,147,144.06/630,015.91
  6. Step 6: Final answer
    x = 235,051.44

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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.