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Finding the Fourth Proportional to 550,614.31, 825,746.50 and 374,254.63

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Solution

The fourth proportional to 550,614.31, 825,746.50 and 374,254.63 is: 561,263.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,614.31 : 825,746.50 = 374,254.63 : x
  2. Step 2: Convert to fraction form
    550,614.31/825,746.50 = 374,254.63/x
  3. Step 3: Cross multiply
    550,614.31x = 825,746.50 × 374,254.63
  4. Step 4: Simplify right side
    550,614.31x = 309,039,449,234.75
  5. Step 5: Solve for x
    x = 309,039,449,234.75/550,614.31
  6. Step 6: Final answer
    x = 561,263.02

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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.