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Finding the Fourth Proportional to 446,279.10, 615,778.50 and 265,047.84

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Solution

The fourth proportional to 446,279.10, 615,778.50 and 265,047.84 is: 365,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,279.10 : 615,778.50 = 265,047.84 : x
  2. Step 2: Convert to fraction form
    446,279.10/615,778.50 = 265,047.84/x
  3. Step 3: Cross multiply
    446,279.10x = 615,778.50 × 265,047.84
  4. Step 4: Simplify right side
    446,279.10x = 163,210,761,343.44
  5. Step 5: Solve for x
    x = 163,210,761,343.44/446,279.10
  6. Step 6: Final answer
    x = 365,714.55

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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.