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Finding the Fourth Proportional to 376,348.16, 519,345.24 and 225,528.32

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Solution

The fourth proportional to 376,348.16, 519,345.24 and 225,528.32 is: 311,219.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,348.16 : 519,345.24 = 225,528.32 : x
  2. Step 2: Convert to fraction form
    376,348.16/519,345.24 = 225,528.32/x
  3. Step 3: Cross multiply
    376,348.16x = 519,345.24 × 225,528.32
  4. Step 4: Simplify right side
    376,348.16x = 117,127,056,880.47
  5. Step 5: Solve for x
    x = 117,127,056,880.47/376,348.16
  6. Step 6: Final answer
    x = 311,219.96

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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.