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Finding the Fourth Proportional to 606,958.65, 910,438.56 and 157,641.93

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Solution

The fourth proportional to 606,958.65, 910,438.56 and 157,641.93 is: 236,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,958.65 : 910,438.56 = 157,641.93 : x
  2. Step 2: Convert to fraction form
    606,958.65/910,438.56 = 157,641.93/x
  3. Step 3: Cross multiply
    606,958.65x = 910,438.56 × 157,641.93
  4. Step 4: Simplify right side
    606,958.65x = 143,523,291,744.82
  5. Step 5: Solve for x
    x = 143,523,291,744.82/606,958.65
  6. Step 6: Final answer
    x = 236,463.05

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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.