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Finding the Fourth Proportional to 562,177.92, 841,915.65 and 321,562.38

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Solution

The fourth proportional to 562,177.92, 841,915.65 and 321,562.38 is: 481,570.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,177.92 : 841,915.65 = 321,562.38 : x
  2. Step 2: Convert to fraction form
    562,177.92/841,915.65 = 321,562.38/x
  3. Step 3: Cross multiply
    562,177.92x = 841,915.65 × 321,562.38
  4. Step 4: Simplify right side
    562,177.92x = 270,728,400,173.25
  5. Step 5: Solve for x
    x = 270,728,400,173.25/562,177.92
  6. Step 6: Final answer
    x = 481,570.67

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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.