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Finding the Fourth Proportional to 447,775.60, 672,030.60 and 444,276.40

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Solution

The fourth proportional to 447,775.60, 672,030.60 and 444,276.40 is: 666,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,775.60 : 672,030.60 = 444,276.40 : x
  2. Step 2: Convert to fraction form
    447,775.60/672,030.60 = 444,276.40/x
  3. Step 3: Cross multiply
    447,775.60x = 672,030.60 × 444,276.40
  4. Step 4: Simplify right side
    447,775.60x = 298,567,335,657.84
  5. Step 5: Solve for x
    x = 298,567,335,657.84/447,775.60
  6. Step 6: Final answer
    x = 666,778.93

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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.