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Finding the Fourth Proportional to 447,799.60, 672,066.60 and 444,300.40

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Solution

The fourth proportional to 447,799.60, 672,066.60 and 444,300.40 is: 666,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,799.60 : 672,066.60 = 444,300.40 : x
  2. Step 2: Convert to fraction form
    447,799.60/672,066.60 = 444,300.40/x
  3. Step 3: Cross multiply
    447,799.60x = 672,066.60 × 444,300.40
  4. Step 4: Simplify right side
    447,799.60x = 298,599,459,206.64
  5. Step 5: Solve for x
    x = 298,599,459,206.64/447,799.60
  6. Step 6: Final answer
    x = 666,814.93

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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.