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Finding the Fourth Proportional to 300,602.43, 450,763.40 and 174,278.88

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Solution

The fourth proportional to 300,602.43, 450,763.40 and 174,278.88 is: 261,337.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,602.43 : 450,763.40 = 174,278.88 : x
  2. Step 2: Convert to fraction form
    300,602.43/450,763.40 = 174,278.88/x
  3. Step 3: Cross multiply
    300,602.43x = 450,763.40 × 174,278.88
  4. Step 4: Simplify right side
    300,602.43x = 78,558,539,625.60
  5. Step 5: Solve for x
    x = 78,558,539,625.60/300,602.43
  6. Step 6: Final answer
    x = 261,337.01

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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.