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Finding the Fourth Proportional to 404,664.30, 607,069.35 and 168,030.90

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Solution

The fourth proportional to 404,664.30, 607,069.35 and 168,030.90 is: 252,076.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,664.30 : 607,069.35 = 168,030.90 : x
  2. Step 2: Convert to fraction form
    404,664.30/607,069.35 = 168,030.90/x
  3. Step 3: Cross multiply
    404,664.30x = 607,069.35 × 168,030.90
  4. Step 4: Simplify right side
    404,664.30x = 102,006,409,242.92
  5. Step 5: Solve for x
    x = 102,006,409,242.92/404,664.30
  6. Step 6: Final answer
    x = 252,076.62

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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.