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Finding the Fourth Proportional to 501,956.73, 692,698.27 and 287,096.49

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Solution

The fourth proportional to 501,956.73, 692,698.27 and 287,096.49 is: 396,192.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,956.73 : 692,698.27 = 287,096.49 : x
  2. Step 2: Convert to fraction form
    501,956.73/692,698.27 = 287,096.49/x
  3. Step 3: Cross multiply
    501,956.73x = 692,698.27 × 287,096.49
  4. Step 4: Simplify right side
    501,956.73x = 198,871,241,946.07
  5. Step 5: Solve for x
    x = 198,871,241,946.07/501,956.73
  6. Step 6: Final answer
    x = 396,192.00

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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.