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Finding the Fourth Proportional to 999,607.26, 1,379,492.46 and 546,898.26

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Solution

The fourth proportional to 999,607.26, 1,379,492.46 and 546,898.26 is: 754,738.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,607.26 : 1,379,492.46 = 546,898.26 : x
  2. Step 2: Convert to fraction form
    999,607.26/1,379,492.46 = 546,898.26/x
  3. Step 3: Cross multiply
    999,607.26x = 1,379,492.46 × 546,898.26
  4. Step 4: Simplify right side
    999,607.26x = 754,442,026,057.12
  5. Step 5: Solve for x
    x = 754,442,026,057.12/999,607.26
  6. Step 6: Final answer
    x = 754,738.44

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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.