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Finding the Fourth Proportional to 272,084.56, 406,069.34 and 264,998.68

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Solution

The fourth proportional to 272,084.56, 406,069.34 and 264,998.68 is: 395,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,084.56 : 406,069.34 = 264,998.68 : x
  2. Step 2: Convert to fraction form
    272,084.56/406,069.34 = 264,998.68/x
  3. Step 3: Cross multiply
    272,084.56x = 406,069.34 × 264,998.68
  4. Step 4: Simplify right side
    272,084.56x = 107,607,839,088.47
  5. Step 5: Solve for x
    x = 107,607,839,088.47/272,084.56
  6. Step 6: Final answer
    x = 395,494.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.