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Finding the Fourth Proportional to 534,688.33, 737,869.89 and 292,980.06

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Solution

The fourth proportional to 534,688.33, 737,869.89 and 292,980.06 is: 404,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,688.33 : 737,869.89 = 292,980.06 : x
  2. Step 2: Convert to fraction form
    534,688.33/737,869.89 = 292,980.06/x
  3. Step 3: Cross multiply
    534,688.33x = 737,869.89 × 292,980.06
  4. Step 4: Simplify right side
    534,688.33x = 216,181,164,644.39
  5. Step 5: Solve for x
    x = 216,181,164,644.39/534,688.33
  6. Step 6: Final answer
    x = 404,312.48

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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.