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Finding the Fourth Proportional to 517,038.88, 775,558.32 and 162,054.76

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Solution

The fourth proportional to 517,038.88, 775,558.32 and 162,054.76 is: 243,082.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,038.88 : 775,558.32 = 162,054.76 : x
  2. Step 2: Convert to fraction form
    517,038.88/775,558.32 = 162,054.76/x
  3. Step 3: Cross multiply
    517,038.88x = 775,558.32 × 162,054.76
  4. Step 4: Simplify right side
    517,038.88x = 125,682,917,413.60
  5. Step 5: Solve for x
    x = 125,682,917,413.60/517,038.88
  6. Step 6: Final answer
    x = 243,082.14

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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.