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Finding the Fourth Proportional to 501,660.23, 692,094.03 and 286,684.96

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Solution

The fourth proportional to 501,660.23, 692,094.03 and 286,684.96 is: 395,512.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,660.23 : 692,094.03 = 286,684.96 : x
  2. Step 2: Convert to fraction form
    501,660.23/692,094.03 = 286,684.96/x
  3. Step 3: Cross multiply
    501,660.23x = 692,094.03 × 286,684.96
  4. Step 4: Simplify right side
    501,660.23x = 198,412,947,576.55
  5. Step 5: Solve for x
    x = 198,412,947,576.55/501,660.23
  6. Step 6: Final answer
    x = 395,512.62

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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.