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Finding the Fourth Proportional to 431,489.10, 595,458.91 and 237,903.76

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Solution

The fourth proportional to 431,489.10, 595,458.91 and 237,903.76 is: 328,309.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,489.10 : 595,458.91 = 237,903.76 : x
  2. Step 2: Convert to fraction form
    431,489.10/595,458.91 = 237,903.76/x
  3. Step 3: Cross multiply
    431,489.10x = 595,458.91 × 237,903.76
  4. Step 4: Simplify right side
    431,489.10x = 141,661,913,614.50
  5. Step 5: Solve for x
    x = 141,661,913,614.50/431,489.10
  6. Step 6: Final answer
    x = 328,309.37

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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.