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Finding the Fourth Proportional to 590,977.92, 821,055.45 and 583,892.04

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Solution

The fourth proportional to 590,977.92, 821,055.45 and 583,892.04 is: 811,210.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,977.92 : 821,055.45 = 583,892.04 : x
  2. Step 2: Convert to fraction form
    590,977.92/821,055.45 = 583,892.04/x
  3. Step 3: Cross multiply
    590,977.92x = 821,055.45 × 583,892.04
  4. Step 4: Simplify right side
    590,977.92x = 479,407,741,653.62
  5. Step 5: Solve for x
    x = 479,407,741,653.62/590,977.92
  6. Step 6: Final answer
    x = 811,210.92

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.