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Finding the Fourth Proportional to 546,489.56, 754,173.30 and 304,782.32

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Solution

The fourth proportional to 546,489.56, 754,173.30 and 304,782.32 is: 420,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,489.56 : 754,173.30 = 304,782.32 : x
  2. Step 2: Convert to fraction form
    546,489.56/754,173.30 = 304,782.32/x
  3. Step 3: Cross multiply
    546,489.56x = 754,173.30 × 304,782.32
  4. Step 4: Simplify right side
    546,489.56x = 229,858,688,056.06
  5. Step 5: Solve for x
    x = 229,858,688,056.06/546,489.56
  6. Step 6: Final answer
    x = 420,609.48

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Double scale
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Similar ratio
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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.