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Finding the Fourth Proportional to 234,478.77, 323,580.99 and 127,048.77

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Solution

The fourth proportional to 234,478.77, 323,580.99 and 127,048.77 is: 175,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,478.77 : 323,580.99 = 127,048.77 : x
  2. Step 2: Convert to fraction form
    234,478.77/323,580.99 = 127,048.77/x
  3. Step 3: Cross multiply
    234,478.77x = 323,580.99 × 127,048.77
  4. Step 4: Simplify right side
    234,478.77x = 41,110,566,774.88
  5. Step 5: Solve for x
    x = 41,110,566,774.88/234,478.77
  6. Step 6: Final answer
    x = 175,327.46

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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.