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Finding the Fourth Proportional to 375,790.50, 518,863.05 and 241,887.78

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Solution

The fourth proportional to 375,790.50, 518,863.05 and 241,887.78 is: 333,980.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,790.50 : 518,863.05 = 241,887.78 : x
  2. Step 2: Convert to fraction form
    375,790.50/518,863.05 = 241,887.78/x
  3. Step 3: Cross multiply
    375,790.50x = 518,863.05 × 241,887.78
  4. Step 4: Simplify right side
    375,790.50x = 125,506,631,288.53
  5. Step 5: Solve for x
    x = 125,506,631,288.53/375,790.50
  6. Step 6: Final answer
    x = 333,980.32

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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.