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Finding the Fourth Proportional to 546,670.68, 754,405.20 and 304,953.20

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Solution

The fourth proportional to 546,670.68, 754,405.20 and 304,953.20 is: 420,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,670.68 : 754,405.20 = 304,953.20 : x
  2. Step 2: Convert to fraction form
    546,670.68/754,405.20 = 304,953.20/x
  3. Step 3: Cross multiply
    546,670.68x = 754,405.20 × 304,953.20
  4. Step 4: Simplify right side
    546,670.68x = 230,058,279,836.64
  5. Step 5: Solve for x
    x = 230,058,279,836.64/546,670.68
  6. Step 6: Final answer
    x = 420,835.23

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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.