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Finding the Fourth Proportional to 360,398.16, 540,072.36 and 173,190.96

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Solution

The fourth proportional to 360,398.16, 540,072.36 and 173,190.96 is: 259,534.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,398.16 : 540,072.36 = 173,190.96 : x
  2. Step 2: Convert to fraction form
    360,398.16/540,072.36 = 173,190.96/x
  3. Step 3: Cross multiply
    360,398.16x = 540,072.36 × 173,190.96
  4. Step 4: Simplify right side
    360,398.16x = 93,535,650,497.87
  5. Step 5: Solve for x
    x = 93,535,650,497.87/360,398.16
  6. Step 6: Final answer
    x = 259,534.21

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1.5x scale

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.