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Finding the Fourth Proportional to 442,683.15, 662,650.16 and 239,775.27

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Solution

The fourth proportional to 442,683.15, 662,650.16 and 239,775.27 is: 358,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,683.15 : 662,650.16 = 239,775.27 : x
  2. Step 2: Convert to fraction form
    442,683.15/662,650.16 = 239,775.27/x
  3. Step 3: Cross multiply
    442,683.15x = 662,650.16 × 239,775.27
  4. Step 4: Simplify right side
    442,683.15x = 158,887,119,830.67
  5. Step 5: Solve for x
    x = 158,887,119,830.67/442,683.15
  6. Step 6: Final answer
    x = 358,918.38

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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.