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Finding the Fourth Proportional to 375,810.34, 563,839.20 and 249,945.76

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Solution

The fourth proportional to 375,810.34, 563,839.20 and 249,945.76 is: 375,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,810.34 : 563,839.20 = 249,945.76 : x
  2. Step 2: Convert to fraction form
    375,810.34/563,839.20 = 249,945.76/x
  3. Step 3: Cross multiply
    375,810.34x = 563,839.20 × 249,945.76
  4. Step 4: Simplify right side
    375,810.34x = 140,929,217,361.79
  5. Step 5: Solve for x
    x = 140,929,217,361.79/375,810.34
  6. Step 6: Final answer
    x = 375,000.90

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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.