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Finding the Fourth Proportional to 401,089.60, 601,796.40 and 176,492.80

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Solution

The fourth proportional to 401,089.60, 601,796.40 and 176,492.80 is: 264,810.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,089.60 : 601,796.40 = 176,492.80 : x
  2. Step 2: Convert to fraction form
    401,089.60/601,796.40 = 176,492.80/x
  3. Step 3: Cross multiply
    401,089.60x = 601,796.40 × 176,492.80
  4. Step 4: Simplify right side
    401,089.60x = 106,212,731,665.92
  5. Step 5: Solve for x
    x = 106,212,731,665.92/401,089.60
  6. Step 6: Final answer
    x = 264,810.49

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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.