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Finding the Fourth Proportional to 446,076.21, 615,585.72 and 242,127.12

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Solution

The fourth proportional to 446,076.21, 615,585.72 and 242,127.12 is: 334,135.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,076.21 : 615,585.72 = 242,127.12 : x
  2. Step 2: Convert to fraction form
    446,076.21/615,585.72 = 242,127.12/x
  3. Step 3: Cross multiply
    446,076.21x = 615,585.72 × 242,127.12
  4. Step 4: Simplify right side
    446,076.21x = 149,050,000,713.15
  5. Step 5: Solve for x
    x = 149,050,000,713.15/446,076.21
  6. Step 6: Final answer
    x = 334,135.73

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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.