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Finding the Fourth Proportional to 290,848.17, 436,505.58 and 150,646.89

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Solution

The fourth proportional to 290,848.17, 436,505.58 and 150,646.89 is: 226,091.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,848.17 : 436,505.58 = 150,646.89 : x
  2. Step 2: Convert to fraction form
    290,848.17/436,505.58 = 150,646.89/x
  3. Step 3: Cross multiply
    290,848.17x = 436,505.58 × 150,646.89
  4. Step 4: Simplify right side
    290,848.17x = 65,758,208,094.65
  5. Step 5: Solve for x
    x = 65,758,208,094.65/290,848.17
  6. Step 6: Final answer
    x = 226,091.19

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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.