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Finding the Fourth Proportional to 673,730.46, 929,762.07 and 367,819.71

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Solution

The fourth proportional to 673,730.46, 929,762.07 and 367,819.71 is: 507,598.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,730.46 : 929,762.07 = 367,819.71 : x
  2. Step 2: Convert to fraction form
    673,730.46/929,762.07 = 367,819.71/x
  3. Step 3: Cross multiply
    673,730.46x = 929,762.07 × 367,819.71
  4. Step 4: Simplify right side
    673,730.46x = 341,984,814,956.40
  5. Step 5: Solve for x
    x = 341,984,814,956.40/673,730.46
  6. Step 6: Final answer
    x = 507,598.86

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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.