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Finding the Fourth Proportional to 446,456.32, 615,686.88 and 293,224.84

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Solution

The fourth proportional to 446,456.32, 615,686.88 and 293,224.84 is: 404,372.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,456.32 : 615,686.88 = 293,224.84 : x
  2. Step 2: Convert to fraction form
    446,456.32/615,686.88 = 293,224.84/x
  3. Step 3: Cross multiply
    446,456.32x = 615,686.88 × 293,224.84
  4. Step 4: Simplify right side
    446,456.32x = 180,534,686,878.10
  5. Step 5: Solve for x
    x = 180,534,686,878.10/446,456.32
  6. Step 6: Final answer
    x = 404,372.56

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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.