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Finding the Fourth Proportional to 354,635.80, 531,510.18 and 177,192.76

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Solution

The fourth proportional to 354,635.80, 531,510.18 and 177,192.76 is: 265,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,635.80 : 531,510.18 = 177,192.76 : x
  2. Step 2: Convert to fraction form
    354,635.80/531,510.18 = 177,192.76/x
  3. Step 3: Cross multiply
    354,635.80x = 531,510.18 × 177,192.76
  4. Step 4: Simplify right side
    354,635.80x = 94,179,755,762.30
  5. Step 5: Solve for x
    x = 94,179,755,762.30/354,635.80
  6. Step 6: Final answer
    x = 265,567.54

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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.