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Finding the Fourth Proportional to 337,638.81, 466,085.04 and 210,377.28

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Solution

The fourth proportional to 337,638.81, 466,085.04 and 210,377.28 is: 290,410.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,638.81 : 466,085.04 = 210,377.28 : x
  2. Step 2: Convert to fraction form
    337,638.81/466,085.04 = 210,377.28/x
  3. Step 3: Cross multiply
    337,638.81x = 466,085.04 × 210,377.28
  4. Step 4: Simplify right side
    337,638.81x = 98,053,702,963.89
  5. Step 5: Solve for x
    x = 98,053,702,963.89/337,638.81
  6. Step 6: Final answer
    x = 290,410.05

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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.