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Finding the Fourth Proportional to 450,066.90, 673,460.10 and 331,968.90

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Solution

The fourth proportional to 450,066.90, 673,460.10 and 331,968.90 is: 496,743.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,066.90 : 673,460.10 = 331,968.90 : x
  2. Step 2: Convert to fraction form
    450,066.90/673,460.10 = 331,968.90/x
  3. Step 3: Cross multiply
    450,066.90x = 673,460.10 × 331,968.90
  4. Step 4: Simplify right side
    450,066.90x = 223,567,808,590.89
  5. Step 5: Solve for x
    x = 223,567,808,590.89/450,066.90
  6. Step 6: Final answer
    x = 496,743.50

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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.