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Finding the Fourth Proportional to 615,707.90, 923,592.96 and 236,495.69

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Solution

The fourth proportional to 615,707.90, 923,592.96 and 236,495.69 is: 354,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,707.90 : 923,592.96 = 236,495.69 : x
  2. Step 2: Convert to fraction form
    615,707.90/923,592.96 = 236,495.69/x
  3. Step 3: Cross multiply
    615,707.90x = 923,592.96 × 236,495.69
  4. Step 4: Simplify right side
    615,707.90x = 218,425,749,736.38
  5. Step 5: Solve for x
    x = 218,425,749,736.38/615,707.90
  6. Step 6: Final answer
    x = 354,755.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.