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Finding the Fourth Proportional to 630,770.95, 946,301.31 and 181,495.54

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Solution

The fourth proportional to 630,770.95, 946,301.31 and 181,495.54 is: 272,285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,770.95 : 946,301.31 = 181,495.54 : x
  2. Step 2: Convert to fraction form
    630,770.95/946,301.31 = 181,495.54/x
  3. Step 3: Cross multiply
    630,770.95x = 946,301.31 × 181,495.54
  4. Step 4: Simplify right side
    630,770.95x = 171,749,467,261.16
  5. Step 5: Solve for x
    x = 171,749,467,261.16/630,770.95
  6. Step 6: Final answer
    x = 272,285.00

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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.