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Finding the Fourth Proportional to 350,011.60, 524,412.60 and 162,638.80

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Solution

The fourth proportional to 350,011.60, 524,412.60 and 162,638.80 is: 243,677.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,011.60 : 524,412.60 = 162,638.80 : x
  2. Step 2: Convert to fraction form
    350,011.60/524,412.60 = 162,638.80/x
  3. Step 3: Cross multiply
    350,011.60x = 524,412.60 × 162,638.80
  4. Step 4: Simplify right side
    350,011.60x = 85,289,835,968.88
  5. Step 5: Solve for x
    x = 85,289,835,968.88/350,011.60
  6. Step 6: Final answer
    x = 243,677.17

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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.