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Finding the Fourth Proportional to 395,635.84, 592,740.24 and 243,568.28

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Solution

The fourth proportional to 395,635.84, 592,740.24 and 243,568.28 is: 364,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,635.84 : 592,740.24 = 243,568.28 : x
  2. Step 2: Convert to fraction form
    395,635.84/592,740.24 = 243,568.28/x
  3. Step 3: Cross multiply
    395,635.84x = 592,740.24 × 243,568.28
  4. Step 4: Simplify right side
    395,635.84x = 144,372,720,743.59
  5. Step 5: Solve for x
    x = 144,372,720,743.59/395,635.84
  6. Step 6: Final answer
    x = 364,913.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.