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Finding the Fourth Proportional to 546,433.65, 754,081.79 and 304,731.59

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Solution

The fourth proportional to 546,433.65, 754,081.79 and 304,731.59 is: 420,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,433.65 : 754,081.79 = 304,731.59 : x
  2. Step 2: Convert to fraction form
    546,433.65/754,081.79 = 304,731.59/x
  3. Step 3: Cross multiply
    546,433.65x = 754,081.79 × 304,731.59
  4. Step 4: Simplify right side
    546,433.65x = 229,792,537,562.68
  5. Step 5: Solve for x
    x = 229,792,537,562.68/546,433.65
  6. Step 6: Final answer
    x = 420,531.45

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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.