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Finding the Fourth Proportional to 272,094.59, 406,084.26 and 265,008.71

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Solution

The fourth proportional to 272,094.59, 406,084.26 and 265,008.71 is: 395,509.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,094.59 : 406,084.26 = 265,008.71 : x
  2. Step 2: Convert to fraction form
    272,094.59/406,084.26 = 265,008.71/x
  3. Step 3: Cross multiply
    272,094.59x = 406,084.26 × 265,008.71
  4. Step 4: Simplify right side
    272,094.59x = 107,615,864,568.86
  5. Step 5: Solve for x
    x = 107,615,864,568.86/272,094.59
  6. Step 6: Final answer
    x = 395,509.02

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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.