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Finding the Fourth Proportional to 461,060.61, 636,266.42 and 257,124.41

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Solution

The fourth proportional to 461,060.61, 636,266.42 and 257,124.41 is: 354,833.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,060.61 : 636,266.42 = 257,124.41 : x
  2. Step 2: Convert to fraction form
    461,060.61/636,266.42 = 257,124.41/x
  3. Step 3: Cross multiply
    461,060.61x = 636,266.42 × 257,124.41
  4. Step 4: Simplify right side
    461,060.61x = 163,599,623,378.36
  5. Step 5: Solve for x
    x = 163,599,623,378.36/461,060.61
  6. Step 6: Final answer
    x = 354,833.23

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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.