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Finding the Fourth Proportional to 737,009.28, 1,016,712 and 450,032.76

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Solution

The fourth proportional to 737,009.28, 1,016,712 and 450,032.76 is: 620,824.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,009.28 : 1,016,712 = 450,032.76 : x
  2. Step 2: Convert to fraction form
    737,009.28/1,016,712 = 450,032.76/x
  3. Step 3: Cross multiply
    737,009.28x = 1,016,712 × 450,032.76
  4. Step 4: Simplify right side
    737,009.28x = 457,553,707,485.12
  5. Step 5: Solve for x
    x = 457,553,707,485.12/737,009.28
  6. Step 6: Final answer
    x = 620,824.89

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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.