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Finding the Fourth Proportional to 546,656.94, 754,045.07 and 352,990.80

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Solution

The fourth proportional to 546,656.94, 754,045.07 and 352,990.80 is: 486,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,656.94 : 754,045.07 = 352,990.80 : x
  2. Step 2: Convert to fraction form
    546,656.94/754,045.07 = 352,990.80/x
  3. Step 3: Cross multiply
    546,656.94x = 754,045.07 × 352,990.80
  4. Step 4: Simplify right side
    546,656.94x = 266,170,970,730.40
  5. Step 5: Solve for x
    x = 266,170,970,730.40/546,656.94
  6. Step 6: Final answer
    x = 486,906.78

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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.