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Finding the Fourth Proportional to 404,795.60, 607,136.04 and 254,577.68

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Solution

The fourth proportional to 404,795.60, 607,136.04 and 254,577.68 is: 381,830.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,795.60 : 607,136.04 = 254,577.68 : x
  2. Step 2: Convert to fraction form
    404,795.60/607,136.04 = 254,577.68/x
  3. Step 3: Cross multiply
    404,795.60x = 607,136.04 × 254,577.68
  4. Step 4: Simplify right side
    404,795.60x = 154,563,284,507.59
  5. Step 5: Solve for x
    x = 154,563,284,507.59/404,795.60
  6. Step 6: Final answer
    x = 381,830.45

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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.