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Finding the Fourth Proportional to 546,760.07, 754,550.76 and 305,063.76

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Solution

The fourth proportional to 546,760.07, 754,550.76 and 305,063.76 is: 421,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,760.07 : 754,550.76 = 305,063.76 : x
  2. Step 2: Convert to fraction form
    546,760.07/754,550.76 = 305,063.76/x
  3. Step 3: Cross multiply
    546,760.07x = 754,550.76 × 305,063.76
  4. Step 4: Simplify right side
    546,760.07x = 230,186,090,431.14
  5. Step 5: Solve for x
    x = 230,186,090,431.14/546,760.07
  6. Step 6: Final answer
    x = 421,000.19

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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.