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Finding the Fourth Proportional to 546,638.60, 754,362.40 and 304,914.92

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Solution

The fourth proportional to 546,638.60, 754,362.40 and 304,914.92 is: 420,783.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,638.60 : 754,362.40 = 304,914.92 : x
  2. Step 2: Convert to fraction form
    546,638.60/754,362.40 = 304,914.92/x
  3. Step 3: Cross multiply
    546,638.60x = 754,362.40 × 304,914.92
  4. Step 4: Simplify right side
    546,638.60x = 230,016,350,847.01
  5. Step 5: Solve for x
    x = 230,016,350,847.01/546,638.60
  6. Step 6: Final answer
    x = 420,783.22

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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.