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Finding the Fourth Proportional to 444,051.60, 666,077.40 and 219,325.20

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Solution

The fourth proportional to 444,051.60, 666,077.40 and 219,325.20 is: 328,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,051.60 : 666,077.40 = 219,325.20 : x
  2. Step 2: Convert to fraction form
    444,051.60/666,077.40 = 219,325.20/x
  3. Step 3: Cross multiply
    444,051.60x = 666,077.40 × 219,325.20
  4. Step 4: Simplify right side
    444,051.60x = 146,087,558,970.48
  5. Step 5: Solve for x
    x = 146,087,558,970.48/444,051.60
  6. Step 6: Final answer
    x = 328,987.80

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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.