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Finding the Fourth Proportional to 470,163.33, 648,807.57 and 255,298.68

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Solution

The fourth proportional to 470,163.33, 648,807.57 and 255,298.68 is: 352,302.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,163.33 : 648,807.57 = 255,298.68 : x
  2. Step 2: Convert to fraction form
    470,163.33/648,807.57 = 255,298.68/x
  3. Step 3: Cross multiply
    470,163.33x = 648,807.57 × 255,298.68
  4. Step 4: Simplify right side
    470,163.33x = 165,639,716,195.01
  5. Step 5: Solve for x
    x = 165,639,716,195.01/470,163.33
  6. Step 6: Final answer
    x = 352,302.50

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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.