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Finding the Fourth Proportional to 999,618.03, 1,379,507.30 and 546,909.03

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Solution

The fourth proportional to 999,618.03, 1,379,507.30 and 546,909.03 is: 754,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,618.03 : 1,379,507.30 = 546,909.03 : x
  2. Step 2: Convert to fraction form
    999,618.03/1,379,507.30 = 546,909.03/x
  3. Step 3: Cross multiply
    999,618.03x = 1,379,507.30 × 546,909.03
  4. Step 4: Simplify right side
    999,618.03x = 754,464,996,586.37
  5. Step 5: Solve for x
    x = 754,464,996,586.37/999,618.03
  6. Step 6: Final answer
    x = 754,753.29

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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.