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Finding the Fourth Proportional to 651,884.40, 977,827.44 and 178,573.92

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Solution

The fourth proportional to 651,884.40, 977,827.44 and 178,573.92 is: 267,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,884.40 : 977,827.44 = 178,573.92 : x
  2. Step 2: Convert to fraction form
    651,884.40/977,827.44 = 178,573.92/x
  3. Step 3: Cross multiply
    651,884.40x = 977,827.44 × 178,573.92
  4. Step 4: Simplify right side
    651,884.40x = 174,614,479,044.37
  5. Step 5: Solve for x
    x = 174,614,479,044.37/651,884.40
  6. Step 6: Final answer
    x = 267,861.11

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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.