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Finding the Fourth Proportional to 538,092.79, 742,573.07 and 296,376.23

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Solution

The fourth proportional to 538,092.79, 742,573.07 and 296,376.23 is: 409,001.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,092.79 : 742,573.07 = 296,376.23 : x
  2. Step 2: Convert to fraction form
    538,092.79/742,573.07 = 296,376.23/x
  3. Step 3: Cross multiply
    538,092.79x = 742,573.07 × 296,376.23
  4. Step 4: Simplify right side
    538,092.79x = 220,081,008,472.09
  5. Step 5: Solve for x
    x = 220,081,008,472.09/538,092.79
  6. Step 6: Final answer
    x = 409,001.97

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1.5x scale

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.