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Finding the Fourth Proportional to 546,588.90, 754,290.72 and 304,871.28

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Solution

The fourth proportional to 546,588.90, 754,290.72 and 304,871.28 is: 420,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,588.90 : 754,290.72 = 304,871.28 : x
  2. Step 2: Convert to fraction form
    546,588.90/754,290.72 = 304,871.28/x
  3. Step 3: Cross multiply
    546,588.90x = 754,290.72 × 304,871.28
  4. Step 4: Simplify right side
    546,588.90x = 229,961,577,298.52
  5. Step 5: Solve for x
    x = 229,961,577,298.52/546,588.90
  6. Step 6: Final answer
    x = 420,721.27

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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.