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Finding the Fourth Proportional to 432,632.77, 648,043.98 and 347,935.12

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Solution

The fourth proportional to 432,632.77, 648,043.98 and 347,935.12 is: 521,174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,632.77 : 648,043.98 = 347,935.12 : x
  2. Step 2: Convert to fraction form
    432,632.77/648,043.98 = 347,935.12/x
  3. Step 3: Cross multiply
    432,632.77x = 648,043.98 × 347,935.12
  4. Step 4: Simplify right side
    432,632.77x = 225,477,257,021.71
  5. Step 5: Solve for x
    x = 225,477,257,021.71/432,632.77
  6. Step 6: Final answer
    x = 521,174.71

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1.5x scale

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.