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Finding the Fourth Proportional to 546,645.36, 754,376.28 and 304,950

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Solution

The fourth proportional to 546,645.36, 754,376.28 and 304,950 is: 420,834.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,645.36 : 754,376.28 = 304,950 : x
  2. Step 2: Convert to fraction form
    546,645.36/754,376.28 = 304,950/x
  3. Step 3: Cross multiply
    546,645.36x = 754,376.28 × 304,950
  4. Step 4: Simplify right side
    546,645.36x = 230,047,046,586
  5. Step 5: Solve for x
    x = 230,047,046,586/546,645.36
  6. Step 6: Final answer
    x = 420,834.17

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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.