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Finding the Fourth Proportional to 375,058.46, 563,265.36 and 345,017.39

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Solution

The fourth proportional to 375,058.46, 563,265.36 and 345,017.39 is: 518,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,058.46 : 563,265.36 = 345,017.39 : x
  2. Step 2: Convert to fraction form
    375,058.46/563,265.36 = 345,017.39/x
  3. Step 3: Cross multiply
    375,058.46x = 563,265.36 × 345,017.39
  4. Step 4: Simplify right side
    375,058.46x = 194,336,341,568.28
  5. Step 5: Solve for x
    x = 194,336,341,568.28/375,058.46
  6. Step 6: Final answer
    x = 518,149.46

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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.