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Finding the Fourth Proportional to 503,873, 695,344.74 and 277,518.50

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Solution

The fourth proportional to 503,873, 695,344.74 and 277,518.50 is: 382,975.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,873 : 695,344.74 = 277,518.50 : x
  2. Step 2: Convert to fraction form
    503,873/695,344.74 = 277,518.50/x
  3. Step 3: Cross multiply
    503,873x = 695,344.74 × 277,518.50
  4. Step 4: Simplify right side
    503,873x = 192,971,029,227.69
  5. Step 5: Solve for x
    x = 192,971,029,227.69/503,873
  6. Step 6: Final answer
    x = 382,975.53

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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.