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Finding the Fourth Proportional to 537,857.52, 742,237.92 and 296,135.52

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Solution

The fourth proportional to 537,857.52, 742,237.92 and 296,135.52 is: 408,664.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,857.52 : 742,237.92 = 296,135.52 : x
  2. Step 2: Convert to fraction form
    537,857.52/742,237.92 = 296,135.52/x
  3. Step 3: Cross multiply
    537,857.52x = 742,237.92 × 296,135.52
  4. Step 4: Simplify right side
    537,857.52x = 219,803,012,402.92
  5. Step 5: Solve for x
    x = 219,803,012,402.92/537,857.52
  6. Step 6: Final answer
    x = 408,664.01

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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.