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Finding the Fourth Proportional to 431,278.89, 595,168.89 and 237,693.50

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Solution

The fourth proportional to 431,278.89, 595,168.89 and 237,693.50 is: 328,019.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,278.89 : 595,168.89 = 237,693.50 : x
  2. Step 2: Convert to fraction form
    431,278.89/595,168.89 = 237,693.50/x
  3. Step 3: Cross multiply
    431,278.89x = 595,168.89 × 237,693.50
  4. Step 4: Simplify right side
    431,278.89x = 141,467,774,919.90
  5. Step 5: Solve for x
    x = 141,467,774,919.90/431,278.89
  6. Step 6: Final answer
    x = 328,019.25

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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.