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Finding the Fourth Proportional to 458,228.67, 686,423.25 and 233,580.03

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Solution

The fourth proportional to 458,228.67, 686,423.25 and 233,580.03 is: 349,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,228.67 : 686,423.25 = 233,580.03 : x
  2. Step 2: Convert to fraction form
    458,228.67/686,423.25 = 233,580.03/x
  3. Step 3: Cross multiply
    458,228.67x = 686,423.25 × 233,580.03
  4. Step 4: Simplify right side
    458,228.67x = 160,334,763,327.70
  5. Step 5: Solve for x
    x = 160,334,763,327.70/458,228.67
  6. Step 6: Final answer
    x = 349,901.20

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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.