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Finding the Fourth Proportional to 432,189.66, 596,454.71 and 238,634.69

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Solution

The fourth proportional to 432,189.66, 596,454.71 and 238,634.69 is: 329,334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,189.66 : 596,454.71 = 238,634.69 : x
  2. Step 2: Convert to fraction form
    432,189.66/596,454.71 = 238,634.69/x
  3. Step 3: Cross multiply
    432,189.66x = 596,454.71 × 238,634.69
  4. Step 4: Simplify right side
    432,189.66x = 142,334,780,644.44
  5. Step 5: Solve for x
    x = 142,334,780,644.44/432,189.66
  6. Step 6: Final answer
    x = 329,334.07

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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.