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Finding the Fourth Proportional to 448,594.60, 673,259.10 and 445,095.40

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Solution

The fourth proportional to 448,594.60, 673,259.10 and 445,095.40 is: 668,007.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,594.60 : 673,259.10 = 445,095.40 : x
  2. Step 2: Convert to fraction form
    448,594.60/673,259.10 = 445,095.40/x
  3. Step 3: Cross multiply
    448,594.60x = 673,259.10 × 445,095.40
  4. Step 4: Simplify right side
    448,594.60x = 299,664,528,418.14
  5. Step 5: Solve for x
    x = 299,664,528,418.14/448,594.60
  6. Step 6: Final answer
    x = 668,007.44

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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.