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Finding the Fourth Proportional to 519,065.70, 778,598.55 and 182,486.40

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Solution

The fourth proportional to 519,065.70, 778,598.55 and 182,486.40 is: 273,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,065.70 : 778,598.55 = 182,486.40 : x
  2. Step 2: Convert to fraction form
    519,065.70/778,598.55 = 182,486.40/x
  3. Step 3: Cross multiply
    519,065.70x = 778,598.55 × 182,486.40
  4. Step 4: Simplify right side
    519,065.70x = 142,083,646,434.72
  5. Step 5: Solve for x
    x = 142,083,646,434.72/519,065.70
  6. Step 6: Final answer
    x = 273,729.60

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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.