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Finding the Fourth Proportional to 354,401.68, 531,323.48 and 176,817.36

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Solution

The fourth proportional to 354,401.68, 531,323.48 and 176,817.36 is: 265,086.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,401.68 : 531,323.48 = 176,817.36 : x
  2. Step 2: Convert to fraction form
    354,401.68/531,323.48 = 176,817.36/x
  3. Step 3: Cross multiply
    354,401.68x = 531,323.48 × 176,817.36
  4. Step 4: Simplify right side
    354,401.68x = 93,947,215,039.61
  5. Step 5: Solve for x
    x = 93,947,215,039.61/354,401.68
  6. Step 6: Final answer
    x = 265,086.82

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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.