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Finding the Fourth Proportional to 538,088.93, 742,576.78 and 293,082.98

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Solution

The fourth proportional to 538,088.93, 742,576.78 and 293,082.98 is: 404,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,088.93 : 742,576.78 = 293,082.98 : x
  2. Step 2: Convert to fraction form
    538,088.93/742,576.78 = 293,082.98/x
  3. Step 3: Cross multiply
    538,088.93x = 742,576.78 × 293,082.98
  4. Step 4: Simplify right side
    538,088.93x = 217,636,612,214.67
  5. Step 5: Solve for x
    x = 217,636,612,214.67/538,088.93
  6. Step 6: Final answer
    x = 404,462.16

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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.