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Finding the Fourth Proportional to 503,933.64, 695,428.46 and 277,579.14

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Solution

The fourth proportional to 503,933.64, 695,428.46 and 277,579.14 is: 383,059.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,933.64 : 695,428.46 = 277,579.14 : x
  2. Step 2: Convert to fraction form
    503,933.64/695,428.46 = 277,579.14/x
  3. Step 3: Cross multiply
    503,933.64x = 695,428.46 × 277,579.14
  4. Step 4: Simplify right side
    503,933.64x = 193,036,432,470.43
  5. Step 5: Solve for x
    x = 193,036,432,470.43/503,933.64
  6. Step 6: Final answer
    x = 383,059.23

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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.