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Finding the Fourth Proportional to 593,937, 890,482.26 and 278,221.68

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Solution

The fourth proportional to 593,937, 890,482.26 and 278,221.68 is: 417,134.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,937 : 890,482.26 = 278,221.68 : x
  2. Step 2: Convert to fraction form
    593,937/890,482.26 = 278,221.68/x
  3. Step 3: Cross multiply
    593,937x = 890,482.26 × 278,221.68
  4. Step 4: Simplify right side
    593,937x = 247,751,470,387.40
  5. Step 5: Solve for x
    x = 247,751,470,387.40/593,937
  6. Step 6: Final answer
    x = 417,134.26

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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.