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Finding the Fourth Proportional to 603,563.04, 905,484.69 and 177,081.64

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Solution

The fourth proportional to 603,563.04, 905,484.69 and 177,081.64 is: 265,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,563.04 : 905,484.69 = 177,081.64 : x
  2. Step 2: Convert to fraction form
    603,563.04/905,484.69 = 177,081.64/x
  3. Step 3: Cross multiply
    603,563.04x = 905,484.69 × 177,081.64
  4. Step 4: Simplify right side
    603,563.04x = 160,344,711,636.38
  5. Step 5: Solve for x
    x = 160,344,711,636.38/603,563.04
  6. Step 6: Final answer
    x = 265,663.57

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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.