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Finding the Fourth Proportional to 446,758.79, 616,616.80 and 265,435.81

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Solution

The fourth proportional to 446,758.79, 616,616.80 and 265,435.81 is: 366,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,758.79 : 616,616.80 = 265,435.81 : x
  2. Step 2: Convert to fraction form
    446,758.79/616,616.80 = 265,435.81/x
  3. Step 3: Cross multiply
    446,758.79x = 616,616.80 × 265,435.81
  4. Step 4: Simplify right side
    446,758.79x = 163,672,179,767.61
  5. Step 5: Solve for x
    x = 163,672,179,767.61/446,758.79
  6. Step 6: Final answer
    x = 366,354.70

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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.