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Finding the Fourth Proportional to 470,458.54, 649,185.96 and 266,468.86

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Solution

The fourth proportional to 470,458.54, 649,185.96 and 266,468.86 is: 367,700.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,458.54 : 649,185.96 = 266,468.86 : x
  2. Step 2: Convert to fraction form
    470,458.54/649,185.96 = 266,468.86/x
  3. Step 3: Cross multiply
    470,458.54x = 649,185.96 × 266,468.86
  4. Step 4: Simplify right side
    470,458.54x = 172,987,842,689.21
  5. Step 5: Solve for x
    x = 172,987,842,689.21/470,458.54
  6. Step 6: Final answer
    x = 367,700.50

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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.