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Finding the Fourth Proportional to 534,708.61, 737,898.06 and 292,989.22

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Solution

The fourth proportional to 534,708.61, 737,898.06 and 292,989.22 is: 404,325.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,708.61 : 737,898.06 = 292,989.22 : x
  2. Step 2: Convert to fraction form
    534,708.61/737,898.06 = 292,989.22/x
  3. Step 3: Cross multiply
    534,708.61x = 737,898.06 × 292,989.22
  4. Step 4: Simplify right side
    534,708.61x = 216,196,177,038.91
  5. Step 5: Solve for x
    x = 216,196,177,038.91/534,708.61
  6. Step 6: Final answer
    x = 404,325.22

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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.