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Finding the Fourth Proportional to 470,483.69, 649,246.29 and 266,530.45

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Solution

The fourth proportional to 470,483.69, 649,246.29 and 266,530.45 is: 367,800.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,483.69 : 649,246.29 = 266,530.45 : x
  2. Step 2: Convert to fraction form
    470,483.69/649,246.29 = 266,530.45/x
  3. Step 3: Cross multiply
    470,483.69x = 649,246.29 × 266,530.45
  4. Step 4: Simplify right side
    470,483.69x = 173,043,904,429.26
  5. Step 5: Solve for x
    x = 173,043,904,429.26/470,483.69
  6. Step 6: Final answer
    x = 367,800.01

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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.