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Finding the Fourth Proportional to 344,501.76, 475,397.64 and 191,539.74

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Solution

The fourth proportional to 344,501.76, 475,397.64 and 191,539.74 is: 264,316.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,501.76 : 475,397.64 = 191,539.74 : x
  2. Step 2: Convert to fraction form
    344,501.76/475,397.64 = 191,539.74/x
  3. Step 3: Cross multiply
    344,501.76x = 475,397.64 × 191,539.74
  4. Step 4: Simplify right side
    344,501.76x = 91,057,540,362.21
  5. Step 5: Solve for x
    x = 91,057,540,362.21/344,501.76
  6. Step 6: Final answer
    x = 264,316.62

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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.