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Finding the Fourth Proportional to 335,487.90, 502,715.01 and 155,462.25

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Solution

The fourth proportional to 335,487.90, 502,715.01 and 155,462.25 is: 232,953.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,487.90 : 502,715.01 = 155,462.25 : x
  2. Step 2: Convert to fraction form
    335,487.90/502,715.01 = 155,462.25/x
  3. Step 3: Cross multiply
    335,487.90x = 502,715.01 × 155,462.25
  4. Step 4: Simplify right side
    335,487.90x = 78,153,206,563.37
  5. Step 5: Solve for x
    x = 78,153,206,563.37/335,487.90
  6. Step 6: Final answer
    x = 232,953.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.