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Finding the Fourth Proportional to 444,432.48, 666,714.28 and 128,848.38

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Solution

The fourth proportional to 444,432.48, 666,714.28 and 128,848.38 is: 193,291.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,432.48 : 666,714.28 = 128,848.38 : x
  2. Step 2: Convert to fraction form
    444,432.48/666,714.28 = 128,848.38/x
  3. Step 3: Cross multiply
    444,432.48x = 666,714.28 × 128,848.38
  4. Step 4: Simplify right side
    444,432.48x = 85,905,054,900.87
  5. Step 5: Solve for x
    x = 85,905,054,900.87/444,432.48
  6. Step 6: Final answer
    x = 193,291.58

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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.