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Finding the Fourth Proportional to 546,641.36, 754,370.76 and 304,946

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Solution

The fourth proportional to 546,641.36, 754,370.76 and 304,946 is: 420,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,641.36 : 754,370.76 = 304,946 : x
  2. Step 2: Convert to fraction form
    546,641.36/754,370.76 = 304,946/x
  3. Step 3: Cross multiply
    546,641.36x = 754,370.76 × 304,946
  4. Step 4: Simplify right side
    546,641.36x = 230,042,345,778.96
  5. Step 5: Solve for x
    x = 230,042,345,778.96/546,641.36
  6. Step 6: Final answer
    x = 420,828.65

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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.