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Finding the Fourth Proportional to 538,061.89, 742,559.11 and 296,344.41

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Solution

The fourth proportional to 538,061.89, 742,559.11 and 296,344.41 is: 408,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,061.89 : 742,559.11 = 296,344.41 : x
  2. Step 2: Convert to fraction form
    538,061.89/742,559.11 = 296,344.41/x
  3. Step 3: Cross multiply
    538,061.89x = 742,559.11 × 296,344.41
  4. Step 4: Simplify right side
    538,061.89x = 220,053,239,484.56
  5. Step 5: Solve for x
    x = 220,053,239,484.56/538,061.89
  6. Step 6: Final answer
    x = 408,973.84

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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.