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Finding the Fourth Proportional to 272,924.64, 376,663.60 and 152,085.60

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Solution

The fourth proportional to 272,924.64, 376,663.60 and 152,085.60 is: 209,893.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,924.64 : 376,663.60 = 152,085.60 : x
  2. Step 2: Convert to fraction form
    272,924.64/376,663.60 = 152,085.60/x
  3. Step 3: Cross multiply
    272,924.64x = 376,663.60 × 152,085.60
  4. Step 4: Simplify right side
    272,924.64x = 57,285,109,604.16
  5. Step 5: Solve for x
    x = 57,285,109,604.16/272,924.64
  6. Step 6: Final answer
    x = 209,893.51

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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.