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Finding the Fourth Proportional to 630,929.60, 946,653.60 and 231,761.60

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Solution

The fourth proportional to 630,929.60, 946,653.60 and 231,761.60 is: 347,737.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,929.60 : 946,653.60 = 231,761.60 : x
  2. Step 2: Convert to fraction form
    630,929.60/946,653.60 = 231,761.60/x
  3. Step 3: Cross multiply
    630,929.60x = 946,653.60 × 231,761.60
  4. Step 4: Simplify right side
    630,929.60x = 219,397,952,981.76
  5. Step 5: Solve for x
    x = 219,397,952,981.76/630,929.60
  6. Step 6: Final answer
    x = 347,737.61

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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.