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Finding the Fourth Proportional to 630,847.74, 946,266.75 and 157,529.94

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Solution

The fourth proportional to 630,847.74, 946,266.75 and 157,529.94 is: 236,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,847.74 : 946,266.75 = 157,529.94 : x
  2. Step 2: Convert to fraction form
    630,847.74/946,266.75 = 157,529.94/x
  3. Step 3: Cross multiply
    630,847.74x = 946,266.75 × 157,529.94
  4. Step 4: Simplify right side
    630,847.74x = 149,065,344,351.50
  5. Step 5: Solve for x
    x = 149,065,344,351.50/630,847.74
  6. Step 6: Final answer
    x = 236,293.70

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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.