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Finding the Fourth Proportional to 446,672.70, 616,435.65 and 255,681.54

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Solution

The fourth proportional to 446,672.70, 616,435.65 and 255,681.54 is: 352,856.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,672.70 : 616,435.65 = 255,681.54 : x
  2. Step 2: Convert to fraction form
    446,672.70/616,435.65 = 255,681.54/x
  3. Step 3: Cross multiply
    446,672.70x = 616,435.65 × 255,681.54
  4. Step 4: Simplify right side
    446,672.70x = 157,611,216,302.90
  5. Step 5: Solve for x
    x = 157,611,216,302.90/446,672.70
  6. Step 6: Final answer
    x = 352,856.17

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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.