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Finding the Fourth Proportional to 401,087.10, 601,792.65 and 176,490.30

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Solution

The fourth proportional to 401,087.10, 601,792.65 and 176,490.30 is: 264,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,087.10 : 601,792.65 = 176,490.30 : x
  2. Step 2: Convert to fraction form
    401,087.10/601,792.65 = 176,490.30/x
  3. Step 3: Cross multiply
    401,087.10x = 601,792.65 × 176,490.30
  4. Step 4: Simplify right side
    401,087.10x = 106,210,565,336.30
  5. Step 5: Solve for x
    x = 106,210,565,336.30/401,087.10
  6. Step 6: Final answer
    x = 264,806.73

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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.