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Finding the Fourth Proportional to 432,173.16, 596,431.94 and 238,618.19

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Solution

The fourth proportional to 432,173.16, 596,431.94 and 238,618.19 is: 329,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,173.16 : 596,431.94 = 238,618.19 : x
  2. Step 2: Convert to fraction form
    432,173.16/596,431.94 = 238,618.19/x
  3. Step 3: Cross multiply
    432,173.16x = 596,431.94 × 238,618.19
  4. Step 4: Simplify right side
    432,173.16x = 142,319,505,805.74
  5. Step 5: Solve for x
    x = 142,319,505,805.74/432,173.16
  6. Step 6: Final answer
    x = 329,311.30

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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.