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Finding the Fourth Proportional to 546,270.89, 754,329.83 and 342,671.78

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Solution

The fourth proportional to 546,270.89, 754,329.83 and 342,671.78 is: 473,185.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,270.89 : 754,329.83 = 342,671.78 : x
  2. Step 2: Convert to fraction form
    546,270.89/754,329.83 = 342,671.78/x
  3. Step 3: Cross multiply
    546,270.89x = 754,329.83 × 342,671.78
  4. Step 4: Simplify right side
    546,270.89x = 258,487,545,553.20
  5. Step 5: Solve for x
    x = 258,487,545,553.20/546,270.89
  6. Step 6: Final answer
    x = 473,185.65

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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.