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Finding the Fourth Proportional to 441,368.99, 662,459.39 and 342,166.67

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Solution

The fourth proportional to 441,368.99, 662,459.39 and 342,166.67 is: 513,564.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,368.99 : 662,459.39 = 342,166.67 : x
  2. Step 2: Convert to fraction form
    441,368.99/662,459.39 = 342,166.67/x
  3. Step 3: Cross multiply
    441,368.99x = 662,459.39 × 342,166.67
  4. Step 4: Simplify right side
    441,368.99x = 226,671,523,486.53
  5. Step 5: Solve for x
    x = 226,671,523,486.53/441,368.99
  6. Step 6: Final answer
    x = 513,564.68

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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.