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Finding the Fourth Proportional to 234,478.45, 323,580.55 and 127,048.45

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Solution

The fourth proportional to 234,478.45, 323,580.55 and 127,048.45 is: 175,327.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,478.45 : 323,580.55 = 127,048.45 : x
  2. Step 2: Convert to fraction form
    234,478.45/323,580.55 = 127,048.45/x
  3. Step 3: Cross multiply
    234,478.45x = 323,580.55 × 127,048.45
  4. Step 4: Simplify right side
    234,478.45x = 41,110,407,327.65
  5. Step 5: Solve for x
    x = 41,110,407,327.65/234,478.45
  6. Step 6: Final answer
    x = 175,327.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.