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Finding the Fourth Proportional to 593,356.56, 890,619.60 and 422,767.77

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Solution

The fourth proportional to 593,356.56, 890,619.60 and 422,767.77 is: 634,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,356.56 : 890,619.60 = 422,767.77 : x
  2. Step 2: Convert to fraction form
    593,356.56/890,619.60 = 422,767.77/x
  3. Step 3: Cross multiply
    593,356.56x = 890,619.60 × 422,767.77
  4. Step 4: Simplify right side
    593,356.56x = 376,525,262,210.29
  5. Step 5: Solve for x
    x = 376,525,262,210.29/593,356.56
  6. Step 6: Final answer
    x = 634,568.30

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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.