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Finding the Fourth Proportional to 375,485.15, 563,227.71 and 249,371.72

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Solution

The fourth proportional to 375,485.15, 563,227.71 and 249,371.72 is: 374,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,485.15 : 563,227.71 = 249,371.72 : x
  2. Step 2: Convert to fraction form
    375,485.15/563,227.71 = 249,371.72/x
  3. Step 3: Cross multiply
    375,485.15x = 563,227.71 × 249,371.72
  4. Step 4: Simplify right side
    375,485.15x = 140,453,062,794.36
  5. Step 5: Solve for x
    x = 140,453,062,794.36/375,485.15
  6. Step 6: Final answer
    x = 374,057.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.