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Finding the Fourth Proportional to 436,973.90, 603,113.30 and 275,720.30

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Solution

The fourth proportional to 436,973.90, 603,113.30 and 275,720.30 is: 380,550.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,973.90 : 603,113.30 = 275,720.30 : x
  2. Step 2: Convert to fraction form
    436,973.90/603,113.30 = 275,720.30/x
  3. Step 3: Cross multiply
    436,973.90x = 603,113.30 × 275,720.30
  4. Step 4: Simplify right side
    436,973.90x = 166,290,580,009.99
  5. Step 5: Solve for x
    x = 166,290,580,009.99/436,973.90
  6. Step 6: Final answer
    x = 380,550.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.