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Finding the Fourth Proportional to 297,350.89, 410,348.16 and 161,386.46

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Solution

The fourth proportional to 297,350.89, 410,348.16 and 161,386.46 is: 222,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,350.89 : 410,348.16 = 161,386.46 : x
  2. Step 2: Convert to fraction form
    297,350.89/410,348.16 = 161,386.46/x
  3. Step 3: Cross multiply
    297,350.89x = 410,348.16 × 161,386.46
  4. Step 4: Simplify right side
    297,350.89x = 66,224,636,102.98
  5. Step 5: Solve for x
    x = 66,224,636,102.98/297,350.89
  6. Step 6: Final answer
    x = 222,715.45

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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.