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Finding the Fourth Proportional to 503,747.08, 695,169.86 and 274,300.80

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Solution

The fourth proportional to 503,747.08, 695,169.86 and 274,300.80 is: 378,534.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,747.08 : 695,169.86 = 274,300.80 : x
  2. Step 2: Convert to fraction form
    503,747.08/695,169.86 = 274,300.80/x
  3. Step 3: Cross multiply
    503,747.08x = 695,169.86 × 274,300.80
  4. Step 4: Simplify right side
    503,747.08x = 190,685,648,733.89
  5. Step 5: Solve for x
    x = 190,685,648,733.89/503,747.08
  6. Step 6: Final answer
    x = 378,534.50

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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.