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Finding the Fourth Proportional to 303,622.01, 419,035.32 and 176,297.61

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Solution

The fourth proportional to 303,622.01, 419,035.32 and 176,297.61 is: 243,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,622.01 : 419,035.32 = 176,297.61 : x
  2. Step 2: Convert to fraction form
    303,622.01/419,035.32 = 176,297.61/x
  3. Step 3: Cross multiply
    303,622.01x = 419,035.32 × 176,297.61
  4. Step 4: Simplify right side
    303,622.01x = 73,874,925,421.59
  5. Step 5: Solve for x
    x = 73,874,925,421.59/303,622.01
  6. Step 6: Final answer
    x = 243,312.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.