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Finding the Fourth Proportional to 360,398.54, 540,072.92 and 173,191.34

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Solution

The fourth proportional to 360,398.54, 540,072.92 and 173,191.34 is: 259,534.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,398.54 : 540,072.92 = 173,191.34 : x
  2. Step 2: Convert to fraction form
    360,398.54/540,072.92 = 173,191.34/x
  3. Step 3: Cross multiply
    360,398.54x = 540,072.92 × 173,191.34
  4. Step 4: Simplify right side
    360,398.54x = 93,535,950,445.13
  5. Step 5: Solve for x
    x = 93,535,950,445.13/360,398.54
  6. Step 6: Final answer
    x = 259,534.77

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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.