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Finding the Fourth Proportional to 415,533.39, 573,441.17 and 234,245.40

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Solution

The fourth proportional to 415,533.39, 573,441.17 and 234,245.40 is: 323,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,533.39 : 573,441.17 = 234,245.40 : x
  2. Step 2: Convert to fraction form
    415,533.39/573,441.17 = 234,245.40/x
  3. Step 3: Cross multiply
    415,533.39x = 573,441.17 × 234,245.40
  4. Step 4: Simplify right side
    415,533.39x = 134,325,955,071.89
  5. Step 5: Solve for x
    x = 134,325,955,071.89/415,533.39
  6. Step 6: Final answer
    x = 323,261.52

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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.