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Finding the Fourth Proportional to 534,136.80, 802,954.80 and 377,450.40

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Solution

The fourth proportional to 534,136.80, 802,954.80 and 377,450.40 is: 567,411.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,136.80 : 802,954.80 = 377,450.40 : x
  2. Step 2: Convert to fraction form
    534,136.80/802,954.80 = 377,450.40/x
  3. Step 3: Cross multiply
    534,136.80x = 802,954.80 × 377,450.40
  4. Step 4: Simplify right side
    534,136.80x = 303,075,610,441.92
  5. Step 5: Solve for x
    x = 303,075,610,441.92/534,136.80
  6. Step 6: Final answer
    x = 567,411.96

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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.