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Finding the Fourth Proportional to 560,472.54, 773,445.69 and 305,827.98

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Solution

The fourth proportional to 560,472.54, 773,445.69 and 305,827.98 is: 422,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,472.54 : 773,445.69 = 305,827.98 : x
  2. Step 2: Convert to fraction form
    560,472.54/773,445.69 = 305,827.98/x
  3. Step 3: Cross multiply
    560,472.54x = 773,445.69 × 305,827.98
  4. Step 4: Simplify right side
    560,472.54x = 236,541,333,012.41
  5. Step 5: Solve for x
    x = 236,541,333,012.41/560,472.54
  6. Step 6: Final answer
    x = 422,039.11

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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.