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Finding the Fourth Proportional to 607,311.90, 910,793.70 and 180,829.89

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Solution

The fourth proportional to 607,311.90, 910,793.70 and 180,829.89 is: 271,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,311.90 : 910,793.70 = 180,829.89 : x
  2. Step 2: Convert to fraction form
    607,311.90/910,793.70 = 180,829.89/x
  3. Step 3: Cross multiply
    607,311.90x = 910,793.70 × 180,829.89
  4. Step 4: Simplify right side
    607,311.90x = 164,698,724,583.69
  5. Step 5: Solve for x
    x = 164,698,724,583.69/607,311.90
  6. Step 6: Final answer
    x = 271,192.98

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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.