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Finding the Fourth Proportional to 335,681.28, 503,402.00 and 111,000.24

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Solution

The fourth proportional to 335,681.28, 503,402.00 and 111,000.24 is: 166,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,681.28 : 503,402.00 = 111,000.24 : x
  2. Step 2: Convert to fraction form
    335,681.28/503,402.00 = 111,000.24/x
  3. Step 3: Cross multiply
    335,681.28x = 503,402.00 × 111,000.24
  4. Step 4: Simplify right side
    335,681.28x = 55,877,742,261.48
  5. Step 5: Solve for x
    x = 55,877,742,261.48/335,681.28
  6. Step 6: Final answer
    x = 166,460.70

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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.