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Finding the Fourth Proportional to 524,273.72, 724,787.60 and 519,478.04

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Solution

The fourth proportional to 524,273.72, 724,787.60 and 519,478.04 is: 718,157.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,273.72 : 724,787.60 = 519,478.04 : x
  2. Step 2: Convert to fraction form
    524,273.72/724,787.60 = 519,478.04/x
  3. Step 3: Cross multiply
    524,273.72x = 724,787.60 × 519,478.04
  4. Step 4: Simplify right side
    524,273.72x = 376,511,241,078.88
  5. Step 5: Solve for x
    x = 376,511,241,078.88/524,273.72
  6. Step 6: Final answer
    x = 718,157.77

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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.