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Finding the Fourth Proportional to 354,532.80, 531,355.73 and 177,089.34

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Solution

The fourth proportional to 354,532.80, 531,355.73 and 177,089.34 is: 265,412.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,532.80 : 531,355.73 = 177,089.34 : x
  2. Step 2: Convert to fraction form
    354,532.80/531,355.73 = 177,089.34/x
  3. Step 3: Cross multiply
    354,532.80x = 531,355.73 × 177,089.34
  4. Step 4: Simplify right side
    354,532.80x = 94,097,434,645.47
  5. Step 5: Solve for x
    x = 94,097,434,645.47/354,532.80
  6. Step 6: Final answer
    x = 265,412.49

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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.