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Finding the Fourth Proportional to 439,996.50, 607,195.17 and 238,792.50

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Solution

The fourth proportional to 439,996.50, 607,195.17 and 238,792.50 is: 329,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,996.50 : 607,195.17 = 238,792.50 : x
  2. Step 2: Convert to fraction form
    439,996.50/607,195.17 = 238,792.50/x
  3. Step 3: Cross multiply
    439,996.50x = 607,195.17 × 238,792.50
  4. Step 4: Simplify right side
    439,996.50x = 144,993,652,632.23
  5. Step 5: Solve for x
    x = 144,993,652,632.23/439,996.50
  6. Step 6: Final answer
    x = 329,533.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.