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Finding the Fourth Proportional to 630,894.96, 946,200.96 and 181,515.60

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Solution

The fourth proportional to 630,894.96, 946,200.96 and 181,515.60 is: 272,232.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,894.96 : 946,200.96 = 181,515.60 : x
  2. Step 2: Convert to fraction form
    630,894.96/946,200.96 = 181,515.60/x
  3. Step 3: Cross multiply
    630,894.96x = 946,200.96 × 181,515.60
  4. Step 4: Simplify right side
    630,894.96x = 171,750,234,974.98
  5. Step 5: Solve for x
    x = 171,750,234,974.98/630,894.96
  6. Step 6: Final answer
    x = 272,232.69

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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.