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Finding the Fourth Proportional to 616,574.74, 924,936.22 and 217,132.96

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Solution

The fourth proportional to 616,574.74, 924,936.22 and 217,132.96 is: 325,725.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,574.74 : 924,936.22 = 217,132.96 : x
  2. Step 2: Convert to fraction form
    616,574.74/924,936.22 = 217,132.96/x
  3. Step 3: Cross multiply
    616,574.74x = 924,936.22 × 217,132.96
  4. Step 4: Simplify right side
    616,574.74x = 200,834,139,259.81
  5. Step 5: Solve for x
    x = 200,834,139,259.81/616,574.74
  6. Step 6: Final answer
    x = 325,725.54

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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.