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Finding the Fourth Proportional to 546,631.60, 754,352.75 and 304,907.93

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Solution

The fourth proportional to 546,631.60, 754,352.75 and 304,907.93 is: 420,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,631.60 : 754,352.75 = 304,907.93 : x
  2. Step 2: Convert to fraction form
    546,631.60/754,352.75 = 304,907.93/x
  3. Step 3: Cross multiply
    546,631.60x = 754,352.75 × 304,907.93
  4. Step 4: Simplify right side
    546,631.60x = 230,008,135,492.31
  5. Step 5: Solve for x
    x = 230,008,135,492.31/546,631.60
  6. Step 6: Final answer
    x = 420,773.58

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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.