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Finding the Fourth Proportional to 462,158.40, 693,237.60 and 162,636.60

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Solution

The fourth proportional to 462,158.40, 693,237.60 and 162,636.60 is: 243,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,158.40 : 693,237.60 = 162,636.60 : x
  2. Step 2: Convert to fraction form
    462,158.40/693,237.60 = 162,636.60/x
  3. Step 3: Cross multiply
    462,158.40x = 693,237.60 × 162,636.60
  4. Step 4: Simplify right side
    462,158.40x = 112,745,806,256.16
  5. Step 5: Solve for x
    x = 112,745,806,256.16/462,158.40
  6. Step 6: Final answer
    x = 243,954.90

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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.