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Finding the Fourth Proportional to 433,159.90, 597,520.70 and 251,851.80

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Solution

The fourth proportional to 433,159.90, 597,520.70 and 251,851.80 is: 347,415.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,159.90 : 597,520.70 = 251,851.80 : x
  2. Step 2: Convert to fraction form
    433,159.90/597,520.70 = 251,851.80/x
  3. Step 3: Cross multiply
    433,159.90x = 597,520.70 × 251,851.80
  4. Step 4: Simplify right side
    433,159.90x = 150,486,662,397.09
  5. Step 5: Solve for x
    x = 150,486,662,397.09/433,159.90
  6. Step 6: Final answer
    x = 347,415.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.