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Finding the Fourth Proportional to 371,833.79, 556,885.68 and 361,605.92

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Solution

The fourth proportional to 371,833.79, 556,885.68 and 361,605.92 is: 541,567.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,833.79 : 556,885.68 = 361,605.92 : x
  2. Step 2: Convert to fraction form
    371,833.79/556,885.68 = 361,605.92/x
  3. Step 3: Cross multiply
    371,833.79x = 556,885.68 × 361,605.92
  4. Step 4: Simplify right side
    371,833.79x = 201,373,159,677.29
  5. Step 5: Solve for x
    x = 201,373,159,677.29/371,833.79
  6. Step 6: Final answer
    x = 541,567.67

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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.