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Finding the Fourth Proportional to 468,378.94, 702,567.33 and 361,917.67

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Solution

The fourth proportional to 468,378.94, 702,567.33 and 361,917.67 is: 542,875.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,378.94 : 702,567.33 = 361,917.67 : x
  2. Step 2: Convert to fraction form
    468,378.94/702,567.33 = 361,917.67/x
  3. Step 3: Cross multiply
    468,378.94x = 702,567.33 × 361,917.67
  4. Step 4: Simplify right side
    468,378.94x = 254,271,531,091.72
  5. Step 5: Solve for x
    x = 254,271,531,091.72/468,378.94
  6. Step 6: Final answer
    x = 542,875.67

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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.