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Finding the Fourth Proportional to 702,188.80, 1,050,658.80 and 465,992.80

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Solution

The fourth proportional to 702,188.80, 1,050,658.80 and 465,992.80 is: 697,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,188.80 : 1,050,658.80 = 465,992.80 : x
  2. Step 2: Convert to fraction form
    702,188.80/1,050,658.80 = 465,992.80/x
  3. Step 3: Cross multiply
    702,188.80x = 1,050,658.80 × 465,992.80
  4. Step 4: Simplify right side
    702,188.80x = 489,599,436,056.64
  5. Step 5: Solve for x
    x = 489,599,436,056.64/702,188.80
  6. Step 6: Final answer
    x = 697,247.57

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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.