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Finding the Fourth Proportional to 669,529.72, 923,950.98 and 367,723.72

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Solution

The fourth proportional to 669,529.72, 923,950.98 and 367,723.72 is: 507,458.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,529.72 : 923,950.98 = 367,723.72 : x
  2. Step 2: Convert to fraction form
    669,529.72/923,950.98 = 367,723.72/x
  3. Step 3: Cross multiply
    669,529.72x = 923,950.98 × 367,723.72
  4. Step 4: Simplify right side
    669,529.72x = 339,758,691,463.25
  5. Step 5: Solve for x
    x = 339,758,691,463.25/669,529.72
  6. Step 6: Final answer
    x = 507,458.72

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Double scale
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1.5x scale

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.