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Finding the Fourth Proportional to 446,397.28, 615,932.40 and 265,170.31

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Solution

The fourth proportional to 446,397.28, 615,932.40 and 265,170.31 is: 365,878.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,397.28 : 615,932.40 = 265,170.31 : x
  2. Step 2: Convert to fraction form
    446,397.28/615,932.40 = 265,170.31/x
  3. Step 3: Cross multiply
    446,397.28x = 615,932.40 × 265,170.31
  4. Step 4: Simplify right side
    446,397.28x = 163,326,984,901.60
  5. Step 5: Solve for x
    x = 163,326,984,901.60/446,397.28
  6. Step 6: Final answer
    x = 365,878.09

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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.