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Finding the Fourth Proportional to 574,440.49, 792,702.31 and 329,249.49

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Solution

The fourth proportional to 574,440.49, 792,702.31 and 329,249.49 is: 454,349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,440.49 : 792,702.31 = 329,249.49 : x
  2. Step 2: Convert to fraction form
    574,440.49/792,702.31 = 329,249.49/x
  3. Step 3: Cross multiply
    574,440.49x = 792,702.31 × 329,249.49
  4. Step 4: Simplify right side
    574,440.49x = 260,996,831,289.32
  5. Step 5: Solve for x
    x = 260,996,831,289.32/574,440.49
  6. Step 6: Final answer
    x = 454,349.64

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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.