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Finding the Fourth Proportional to 470,846.52, 648,673.92 and 325,513.08

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Solution

The fourth proportional to 470,846.52, 648,673.92 and 325,513.08 is: 448,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,846.52 : 648,673.92 = 325,513.08 : x
  2. Step 2: Convert to fraction form
    470,846.52/648,673.92 = 325,513.08/x
  3. Step 3: Cross multiply
    470,846.52x = 648,673.92 × 325,513.08
  4. Step 4: Simplify right side
    470,846.52x = 211,151,845,614.87
  5. Step 5: Solve for x
    x = 211,151,845,614.87/470,846.52
  6. Step 6: Final answer
    x = 448,451.54

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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.