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Finding the Fourth Proportional to 444,256.32, 666,384.48 and 128,713.44

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Solution

The fourth proportional to 444,256.32, 666,384.48 and 128,713.44 is: 193,070.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,256.32 : 666,384.48 = 128,713.44 : x
  2. Step 2: Convert to fraction form
    444,256.32/666,384.48 = 128,713.44/x
  3. Step 3: Cross multiply
    444,256.32x = 666,384.48 × 128,713.44
  4. Step 4: Simplify right side
    444,256.32x = 85,772,638,783.41
  5. Step 5: Solve for x
    x = 85,772,638,783.41/444,256.32
  6. Step 6: Final answer
    x = 193,070.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.