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Finding the Fourth Proportional to 546,653.43, 754,376.63 and 301,640.40

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Solution

The fourth proportional to 546,653.43, 754,376.63 and 301,640.40 is: 416,260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,653.43 : 754,376.63 = 301,640.40 : x
  2. Step 2: Convert to fraction form
    546,653.43/754,376.63 = 301,640.40/x
  3. Step 3: Cross multiply
    546,653.43x = 754,376.63 × 301,640.40
  4. Step 4: Simplify right side
    546,653.43x = 227,550,466,915.65
  5. Step 5: Solve for x
    x = 227,550,466,915.65/546,653.43
  6. Step 6: Final answer
    x = 416,260.93

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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.