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Finding the Fourth Proportional to 538,041.56, 742,530.92 and 296,324.07

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Solution

The fourth proportional to 538,041.56, 742,530.92 and 296,324.07 is: 408,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,041.56 : 742,530.92 = 296,324.07 : x
  2. Step 2: Convert to fraction form
    538,041.56/742,530.92 = 296,324.07/x
  3. Step 3: Cross multiply
    538,041.56x = 742,530.92 × 296,324.07
  4. Step 4: Simplify right side
    538,041.56x = 220,029,782,833.62
  5. Step 5: Solve for x
    x = 220,029,782,833.62/538,041.56
  6. Step 6: Final answer
    x = 408,945.70

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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.