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Finding the Fourth Proportional to 550,615.82, 825,748.76 and 374,256.14

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Solution

The fourth proportional to 550,615.82, 825,748.76 and 374,256.14 is: 561,265.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,615.82 : 825,748.76 = 374,256.14 : x
  2. Step 2: Convert to fraction form
    550,615.82/825,748.76 = 374,256.14/x
  3. Step 3: Cross multiply
    550,615.82x = 825,748.76 × 374,256.14
  4. Step 4: Simplify right side
    550,615.82x = 309,041,537,527.36
  5. Step 5: Solve for x
    x = 309,041,537,527.36/550,615.82
  6. Step 6: Final answer
    x = 561,265.28

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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.