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Finding the Fourth Proportional to 525,061.80, 787,592.70 and 151,084.80

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Solution

The fourth proportional to 525,061.80, 787,592.70 and 151,084.80 is: 226,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,061.80 : 787,592.70 = 151,084.80 : x
  2. Step 2: Convert to fraction form
    525,061.80/787,592.70 = 151,084.80/x
  3. Step 3: Cross multiply
    525,061.80x = 787,592.70 × 151,084.80
  4. Step 4: Simplify right side
    525,061.80x = 118,993,285,560.96
  5. Step 5: Solve for x
    x = 118,993,285,560.96/525,061.80
  6. Step 6: Final answer
    x = 226,627.20

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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.