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Finding the Fourth Proportional to 446,645.92, 616,444.86 and 326,185.96

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Solution

The fourth proportional to 446,645.92, 616,444.86 and 326,185.96 is: 450,190.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,645.92 : 616,444.86 = 326,185.96 : x
  2. Step 2: Convert to fraction form
    446,645.92/616,444.86 = 326,185.96/x
  3. Step 3: Cross multiply
    446,645.92x = 616,444.86 × 326,185.96
  4. Step 4: Simplify right side
    446,645.92x = 201,075,658,446.17
  5. Step 5: Solve for x
    x = 201,075,658,446.17/446,645.92
  6. Step 6: Final answer
    x = 450,190.29

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1.5x scale

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.