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Finding the Fourth Proportional to 614,204.36, 916,501.96 and 550,374.03

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Solution

The fourth proportional to 614,204.36, 916,501.96 and 550,374.03 is: 821,255.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,204.36 : 916,501.96 = 550,374.03 : x
  2. Step 2: Convert to fraction form
    614,204.36/916,501.96 = 550,374.03/x
  3. Step 3: Cross multiply
    614,204.36x = 916,501.96 × 550,374.03
  4. Step 4: Simplify right side
    614,204.36x = 504,418,877,228.10
  5. Step 5: Solve for x
    x = 504,418,877,228.10/614,204.36
  6. Step 6: Final answer
    x = 821,255.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.