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Finding the Fourth Proportional to 342,931.10, 473,244.83 and 187,887.90

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Solution

The fourth proportional to 342,931.10, 473,244.83 and 187,887.90 is: 259,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,931.10 : 473,244.83 = 187,887.90 : x
  2. Step 2: Convert to fraction form
    342,931.10/473,244.83 = 187,887.90/x
  3. Step 3: Cross multiply
    342,931.10x = 473,244.83 × 187,887.90
  4. Step 4: Simplify right side
    342,931.10x = 88,916,976,355.12
  5. Step 5: Solve for x
    x = 88,916,976,355.12/342,931.10
  6. Step 6: Final answer
    x = 259,285.25

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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.