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Finding the Fourth Proportional to 637,130.34, 955,252.64 and 281,950.61

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Solution

The fourth proportional to 637,130.34, 955,252.64 and 281,950.61 is: 422,729.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,130.34 : 955,252.64 = 281,950.61 : x
  2. Step 2: Convert to fraction form
    637,130.34/955,252.64 = 281,950.61/x
  3. Step 3: Cross multiply
    637,130.34x = 955,252.64 × 281,950.61
  4. Step 4: Simplify right side
    637,130.34x = 269,334,060,480.72
  5. Step 5: Solve for x
    x = 269,334,060,480.72/637,130.34
  6. Step 6: Final answer
    x = 422,729.92

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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.