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Finding the Fourth Proportional to 375,776.10, 563,030.19 and 185,983.38

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Solution

The fourth proportional to 375,776.10, 563,030.19 and 185,983.38 is: 278,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,776.10 : 563,030.19 = 185,983.38 : x
  2. Step 2: Convert to fraction form
    375,776.10/563,030.19 = 185,983.38/x
  3. Step 3: Cross multiply
    375,776.10x = 563,030.19 × 185,983.38
  4. Step 4: Simplify right side
    375,776.10x = 104,714,257,778.24
  5. Step 5: Solve for x
    x = 104,714,257,778.24/375,776.10
  6. Step 6: Final answer
    x = 278,661.30

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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.