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Finding the Fourth Proportional to 504,528.75, 696,255.12 and 275,084.17

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Solution

The fourth proportional to 504,528.75, 696,255.12 and 275,084.17 is: 379,619.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,528.75 : 696,255.12 = 275,084.17 : x
  2. Step 2: Convert to fraction form
    504,528.75/696,255.12 = 275,084.17/x
  3. Step 3: Cross multiply
    504,528.75x = 696,255.12 × 275,084.17
  4. Step 4: Simplify right side
    504,528.75x = 191,528,760,052.81
  5. Step 5: Solve for x
    x = 191,528,760,052.81/504,528.75
  6. Step 6: Final answer
    x = 379,619.12

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Double scale
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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.