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Finding the Fourth Proportional to 431,316.45, 595,216.72 and 250,133.47

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Solution

The fourth proportional to 431,316.45, 595,216.72 and 250,133.47 is: 345,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,316.45 : 595,216.72 = 250,133.47 : x
  2. Step 2: Convert to fraction form
    431,316.45/595,216.72 = 250,133.47/x
  3. Step 3: Cross multiply
    431,316.45x = 595,216.72 × 250,133.47
  4. Step 4: Simplify right side
    431,316.45x = 148,883,625,748.34
  5. Step 5: Solve for x
    x = 148,883,625,748.34/431,316.45
  6. Step 6: Final answer
    x = 345,184.20

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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.