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Finding the Fourth Proportional to 546,549.21, 754,239.06 and 304,825.57

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Solution

The fourth proportional to 546,549.21, 754,239.06 and 304,825.57 is: 420,659.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,549.21 : 754,239.06 = 304,825.57 : x
  2. Step 2: Convert to fraction form
    546,549.21/754,239.06 = 304,825.57/x
  3. Step 3: Cross multiply
    546,549.21x = 754,239.06 × 304,825.57
  4. Step 4: Simplify right side
    546,549.21x = 229,911,351,380.76
  5. Step 5: Solve for x
    x = 229,911,351,380.76/546,549.21
  6. Step 6: Final answer
    x = 420,659.93

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1.5x scale

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.