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Finding the Fourth Proportional to 461,972, 637,521.36 and 250,004

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Solution

The fourth proportional to 461,972, 637,521.36 and 250,004 is: 345,005.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,972 : 637,521.36 = 250,004 : x
  2. Step 2: Convert to fraction form
    461,972/637,521.36 = 250,004/x
  3. Step 3: Cross multiply
    461,972x = 637,521.36 × 250,004
  4. Step 4: Simplify right side
    461,972x = 159,382,890,085.44
  5. Step 5: Solve for x
    x = 159,382,890,085.44/461,972
  6. Step 6: Final answer
    x = 345,005.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.