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Finding the Fourth Proportional to 543,727.56, 750,323.30 and 302,025.72

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Solution

The fourth proportional to 543,727.56, 750,323.30 and 302,025.72 is: 416,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,727.56 : 750,323.30 = 302,025.72 : x
  2. Step 2: Convert to fraction form
    543,727.56/750,323.30 = 302,025.72/x
  3. Step 3: Cross multiply
    543,727.56x = 750,323.30 × 302,025.72
  4. Step 4: Simplify right side
    543,727.56x = 226,616,934,915.28
  5. Step 5: Solve for x
    x = 226,616,934,915.28/543,727.56
  6. Step 6: Final answer
    x = 416,783.98

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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.