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Finding the Fourth Proportional to 446,374.82, 616,009.28 and 262,626.21

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Solution

The fourth proportional to 446,374.82, 616,009.28 and 262,626.21 is: 362,431.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,374.82 : 616,009.28 = 262,626.21 : x
  2. Step 2: Convert to fraction form
    446,374.82/616,009.28 = 262,626.21/x
  3. Step 3: Cross multiply
    446,374.82x = 616,009.28 × 262,626.21
  4. Step 4: Simplify right side
    446,374.82x = 161,780,181,218.10
  5. Step 5: Solve for x
    x = 161,780,181,218.10/446,374.82
  6. Step 6: Final answer
    x = 362,431.25

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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.