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Finding the Fourth Proportional to 553,261.70, 829,892.55 and 504,272.90

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Solution

The fourth proportional to 553,261.70, 829,892.55 and 504,272.90 is: 756,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,261.70 : 829,892.55 = 504,272.90 : x
  2. Step 2: Convert to fraction form
    553,261.70/829,892.55 = 504,272.90/x
  3. Step 3: Cross multiply
    553,261.70x = 829,892.55 × 504,272.90
  4. Step 4: Simplify right side
    553,261.70x = 418,492,322,876.90
  5. Step 5: Solve for x
    x = 418,492,322,876.90/553,261.70
  6. Step 6: Final answer
    x = 756,409.35

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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.