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Finding the Fourth Proportional to 503,915.36, 695,403.04 and 277,560.84

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Solution

The fourth proportional to 503,915.36, 695,403.04 and 277,560.84 is: 383,033.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,915.36 : 695,403.04 = 277,560.84 : x
  2. Step 2: Convert to fraction form
    503,915.36/695,403.04 = 277,560.84/x
  3. Step 3: Cross multiply
    503,915.36x = 695,403.04 × 277,560.84
  4. Step 4: Simplify right side
    503,915.36x = 193,016,651,920.95
  5. Step 5: Solve for x
    x = 193,016,651,920.95/503,915.36
  6. Step 6: Final answer
    x = 383,033.87

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Double scale
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Similar ratio
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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.