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Finding the Fourth Proportional to 431,749.85, 595,800.77 and 238,157.08

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Solution

The fourth proportional to 431,749.85, 595,800.77 and 238,157.08 is: 328,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,749.85 : 595,800.77 = 238,157.08 : x
  2. Step 2: Convert to fraction form
    431,749.85/595,800.77 = 238,157.08/x
  3. Step 3: Cross multiply
    431,749.85x = 595,800.77 × 238,157.08
  4. Step 4: Simplify right side
    431,749.85x = 141,894,168,964.66
  5. Step 5: Solve for x
    x = 141,894,168,964.66/431,749.85
  6. Step 6: Final answer
    x = 328,649.03

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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.