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Finding the Fourth Proportional to 436,016.32, 601,866.96 and 254,787.20

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Solution

The fourth proportional to 436,016.32, 601,866.96 and 254,787.20 is: 351,702.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,016.32 : 601,866.96 = 254,787.20 : x
  2. Step 2: Convert to fraction form
    436,016.32/601,866.96 = 254,787.20/x
  3. Step 3: Cross multiply
    436,016.32x = 601,866.96 × 254,787.20
  4. Step 4: Simplify right side
    436,016.32x = 153,347,997,510.91
  5. Step 5: Solve for x
    x = 153,347,997,510.91/436,016.32
  6. Step 6: Final answer
    x = 351,702.43

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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.