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Finding the Fourth Proportional to 450,102.60, 673,972.92 and 291,851.28

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Solution

The fourth proportional to 450,102.60, 673,972.92 and 291,851.28 is: 437,011.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,102.60 : 673,972.92 = 291,851.28 : x
  2. Step 2: Convert to fraction form
    450,102.60/673,972.92 = 291,851.28/x
  3. Step 3: Cross multiply
    450,102.60x = 673,972.92 × 291,851.28
  4. Step 4: Simplify right side
    450,102.60x = 196,699,859,387.34
  5. Step 5: Solve for x
    x = 196,699,859,387.34/450,102.60
  6. Step 6: Final answer
    x = 437,011.16

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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.