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Finding the Fourth Proportional to 446,577.60, 668,829.60 and 436,209.60

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Solution

The fourth proportional to 446,577.60, 668,829.60 and 436,209.60 is: 653,301.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,577.60 : 668,829.60 = 436,209.60 : x
  2. Step 2: Convert to fraction form
    446,577.60/668,829.60 = 436,209.60/x
  3. Step 3: Cross multiply
    446,577.60x = 668,829.60 × 436,209.60
  4. Step 4: Simplify right side
    446,577.60x = 291,749,892,284.16
  5. Step 5: Solve for x
    x = 291,749,892,284.16/446,577.60
  6. Step 6: Final answer
    x = 653,301.67

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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.