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Finding the Fourth Proportional to 470,617.52, 649,458.34 and 255,760.98

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Solution

The fourth proportional to 470,617.52, 649,458.34 and 255,760.98 is: 352,953.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,617.52 : 649,458.34 = 255,760.98 : x
  2. Step 2: Convert to fraction form
    470,617.52/649,458.34 = 255,760.98/x
  3. Step 3: Cross multiply
    470,617.52x = 649,458.34 × 255,760.98
  4. Step 4: Simplify right side
    470,617.52x = 166,106,101,507.57
  5. Step 5: Solve for x
    x = 166,106,101,507.57/470,617.52
  6. Step 6: Final answer
    x = 352,953.50

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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.