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Finding the Fourth Proportional to 538,092.60, 742,572.81 and 296,376.05

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Solution

The fourth proportional to 538,092.60, 742,572.81 and 296,376.05 is: 409,001.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,092.60 : 742,572.81 = 296,376.05 : x
  2. Step 2: Convert to fraction form
    538,092.60/742,572.81 = 296,376.05/x
  3. Step 3: Cross multiply
    538,092.60x = 742,572.81 × 296,376.05
  4. Step 4: Simplify right side
    538,092.60x = 220,080,792,552.34
  5. Step 5: Solve for x
    x = 220,080,792,552.34/538,092.60
  6. Step 6: Final answer
    x = 409,001.71

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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.