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Finding the Fourth Proportional to 462,787.80, 694,181.70 and 369,475.80

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Solution

The fourth proportional to 462,787.80, 694,181.70 and 369,475.80 is: 554,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,787.80 : 694,181.70 = 369,475.80 : x
  2. Step 2: Convert to fraction form
    462,787.80/694,181.70 = 369,475.80/x
  3. Step 3: Cross multiply
    462,787.80x = 694,181.70 × 369,475.80
  4. Step 4: Simplify right side
    462,787.80x = 256,483,338,952.86
  5. Step 5: Solve for x
    x = 256,483,338,952.86/462,787.80
  6. Step 6: Final answer
    x = 554,213.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.