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Finding the Fourth Proportional to 466,410.78, 643,735 and 292,061.94

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Solution

The fourth proportional to 466,410.78, 643,735 and 292,061.94 is: 403,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,410.78 : 643,735 = 292,061.94 : x
  2. Step 2: Convert to fraction form
    466,410.78/643,735 = 292,061.94/x
  3. Step 3: Cross multiply
    466,410.78x = 643,735 × 292,061.94
  4. Step 4: Simplify right side
    466,410.78x = 188,010,492,945.90
  5. Step 5: Solve for x
    x = 188,010,492,945.90/466,410.78
  6. Step 6: Final answer
    x = 403,100.66

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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.