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Finding the Fourth Proportional to 630,963.60, 946,704.60 and 231,795.60

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Solution

The fourth proportional to 630,963.60, 946,704.60 and 231,795.60 is: 347,788.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,963.60 : 946,704.60 = 231,795.60 : x
  2. Step 2: Convert to fraction form
    630,963.60/946,704.60 = 231,795.60/x
  3. Step 3: Cross multiply
    630,963.60x = 946,704.60 × 231,795.60
  4. Step 4: Simplify right side
    630,963.60x = 219,441,960,779.76
  5. Step 5: Solve for x
    x = 219,441,960,779.76/630,963.60
  6. Step 6: Final answer
    x = 347,788.62

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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.