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Finding the Fourth Proportional to 431,881.14, 595,992.02 and 238,290.63

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Solution

The fourth proportional to 431,881.14, 595,992.02 and 238,290.63 is: 328,838.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,881.14 : 595,992.02 = 238,290.63 : x
  2. Step 2: Convert to fraction form
    431,881.14/595,992.02 = 238,290.63/x
  3. Step 3: Cross multiply
    431,881.14x = 595,992.02 × 238,290.63
  4. Step 4: Simplify right side
    431,881.14x = 142,019,314,516.50
  5. Step 5: Solve for x
    x = 142,019,314,516.50/431,881.14
  6. Step 6: Final answer
    x = 328,838.89

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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.