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Finding the Fourth Proportional to 546,436.64, 754,085.86 and 304,734.48

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Solution

The fourth proportional to 546,436.64, 754,085.86 and 304,734.48 is: 420,535.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,436.64 : 754,085.86 = 304,734.48 : x
  2. Step 2: Convert to fraction form
    546,436.64/754,085.86 = 304,734.48/x
  3. Step 3: Cross multiply
    546,436.64x = 754,085.86 × 304,734.48
  4. Step 4: Simplify right side
    546,436.64x = 229,795,962,422.45
  5. Step 5: Solve for x
    x = 229,795,962,422.45/546,436.64
  6. Step 6: Final answer
    x = 420,535.42

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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.