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Finding the Fourth Proportional to 373,479.66, 515,237.76 and 252,576.36

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Solution

The fourth proportional to 373,479.66, 515,237.76 and 252,576.36 is: 348,444.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,479.66 : 515,237.76 = 252,576.36 : x
  2. Step 2: Convert to fraction form
    373,479.66/515,237.76 = 252,576.36/x
  3. Step 3: Cross multiply
    373,479.66x = 515,237.76 × 252,576.36
  4. Step 4: Simplify right side
    373,479.66x = 130,136,877,955.35
  5. Step 5: Solve for x
    x = 130,136,877,955.35/373,479.66
  6. Step 6: Final answer
    x = 348,444.35

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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.