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Finding the Fourth Proportional to 617,628.24, 850,558.32 and 530,886.96

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Solution

The fourth proportional to 617,628.24, 850,558.32 and 530,886.96 is: 731,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,628.24 : 850,558.32 = 530,886.96 : x
  2. Step 2: Convert to fraction form
    617,628.24/850,558.32 = 530,886.96/x
  3. Step 3: Cross multiply
    617,628.24x = 850,558.32 × 530,886.96
  4. Step 4: Simplify right side
    617,628.24x = 451,550,320,807.51
  5. Step 5: Solve for x
    x = 451,550,320,807.51/617,628.24
  6. Step 6: Final answer
    x = 731,103.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.