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Finding the Fourth Proportional to 504,329.20, 757,368.60 and 268,133.20

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Solution

The fourth proportional to 504,329.20, 757,368.60 and 268,133.20 is: 402,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,329.20 : 757,368.60 = 268,133.20 : x
  2. Step 2: Convert to fraction form
    504,329.20/757,368.60 = 268,133.20/x
  3. Step 3: Cross multiply
    504,329.20x = 757,368.60 × 268,133.20
  4. Step 4: Simplify right side
    504,329.20x = 203,075,666,297.52
  5. Step 5: Solve for x
    x = 203,075,666,297.52/504,329.20
  6. Step 6: Final answer
    x = 402,664.90

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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.