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Finding the Fourth Proportional to 669,730.50, 924,228.45 and 367,943.94

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Solution

The fourth proportional to 669,730.50, 924,228.45 and 367,943.94 is: 507,762.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,730.50 : 924,228.45 = 367,943.94 : x
  2. Step 2: Convert to fraction form
    669,730.50/924,228.45 = 367,943.94/x
  3. Step 3: Cross multiply
    669,730.50x = 924,228.45 × 367,943.94
  4. Step 4: Simplify right side
    669,730.50x = 340,064,257,353.09
  5. Step 5: Solve for x
    x = 340,064,257,353.09/669,730.50
  6. Step 6: Final answer
    x = 507,762.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.