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Finding the Fourth Proportional to 339,035.68, 508,564 and 170,562.86

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Solution

The fourth proportional to 339,035.68, 508,564 and 170,562.86 is: 255,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,035.68 : 508,564 = 170,562.86 : x
  2. Step 2: Convert to fraction form
    339,035.68/508,564 = 170,562.86/x
  3. Step 3: Cross multiply
    339,035.68x = 508,564 × 170,562.86
  4. Step 4: Simplify right side
    339,035.68x = 86,742,130,333.04
  5. Step 5: Solve for x
    x = 86,742,130,333.04/339,035.68
  6. Step 6: Final answer
    x = 255,849.56

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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.