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Finding the Fourth Proportional to 446,063.76, 615,551.40 and 255,072.24

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Solution

The fourth proportional to 446,063.76, 615,551.40 and 255,072.24 is: 351,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,063.76 : 615,551.40 = 255,072.24 : x
  2. Step 2: Convert to fraction form
    446,063.76/615,551.40 = 255,072.24/x
  3. Step 3: Cross multiply
    446,063.76x = 615,551.40 × 255,072.24
  4. Step 4: Simplify right side
    446,063.76x = 157,010,074,433.14
  5. Step 5: Solve for x
    x = 157,010,074,433.14/446,063.76
  6. Step 6: Final answer
    x = 351,990.21

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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.