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Finding the Fourth Proportional to 477,246.15, 715,852.76 and 122,263.65

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Solution

The fourth proportional to 477,246.15, 715,852.76 and 122,263.65 is: 183,391.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,246.15 : 715,852.76 = 122,263.65 : x
  2. Step 2: Convert to fraction form
    477,246.15/715,852.76 = 122,263.65/x
  3. Step 3: Cross multiply
    477,246.15x = 715,852.76 × 122,263.65
  4. Step 4: Simplify right side
    477,246.15x = 87,522,770,688.86
  5. Step 5: Solve for x
    x = 87,522,770,688.86/477,246.15
  6. Step 6: Final answer
    x = 183,391.26

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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.