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Finding the Fourth Proportional to 452,607.60, 678,450.60 and 265,522.80

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Solution

The fourth proportional to 452,607.60, 678,450.60 and 265,522.80 is: 398,013.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,607.60 : 678,450.60 = 265,522.80 : x
  2. Step 2: Convert to fraction form
    452,607.60/678,450.60 = 265,522.80/x
  3. Step 3: Cross multiply
    452,607.60x = 678,450.60 × 265,522.80
  4. Step 4: Simplify right side
    452,607.60x = 180,144,102,973.68
  5. Step 5: Solve for x
    x = 180,144,102,973.68/452,607.60
  6. Step 6: Final answer
    x = 398,013.87

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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.