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Finding the Fourth Proportional to 569,532.40, 786,152.48 and 327,911.27

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Solution

The fourth proportional to 569,532.40, 786,152.48 and 327,911.27 is: 452,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,532.40 : 786,152.48 = 327,911.27 : x
  2. Step 2: Convert to fraction form
    569,532.40/786,152.48 = 327,911.27/x
  3. Step 3: Cross multiply
    569,532.40x = 786,152.48 × 327,911.27
  4. Step 4: Simplify right side
    569,532.40x = 257,788,252,560.13
  5. Step 5: Solve for x
    x = 257,788,252,560.13/569,532.40
  6. Step 6: Final answer
    x = 452,631.41

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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.