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Finding the Fourth Proportional to 310,455.39, 465,351.53 and 177,048.39

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Solution

The fourth proportional to 310,455.39, 465,351.53 and 177,048.39 is: 265,383.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,455.39 : 465,351.53 = 177,048.39 : x
  2. Step 2: Convert to fraction form
    310,455.39/465,351.53 = 177,048.39/x
  3. Step 3: Cross multiply
    310,455.39x = 465,351.53 × 177,048.39
  4. Step 4: Simplify right side
    310,455.39x = 82,389,738,285.29
  5. Step 5: Solve for x
    x = 82,389,738,285.29/310,455.39
  6. Step 6: Final answer
    x = 265,383.50

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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.