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Finding the Fourth Proportional to 503,409.76, 755,140.68 and 183,554.20

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Solution

The fourth proportional to 503,409.76, 755,140.68 and 183,554.20 is: 275,340.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,409.76 : 755,140.68 = 183,554.20 : x
  2. Step 2: Convert to fraction form
    503,409.76/755,140.68 = 183,554.20/x
  3. Step 3: Cross multiply
    503,409.76x = 755,140.68 × 183,554.20
  4. Step 4: Simplify right side
    503,409.76x = 138,609,243,404.86
  5. Step 5: Solve for x
    x = 138,609,243,404.86/503,409.76
  6. Step 6: Final answer
    x = 275,340.79

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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.