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Finding the Fourth Proportional to 470,788.67, 649,674.66 and 266,858.34

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Solution

The fourth proportional to 470,788.67, 649,674.66 and 266,858.34 is: 368,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,788.67 : 649,674.66 = 266,858.34 : x
  2. Step 2: Convert to fraction form
    470,788.67/649,674.66 = 266,858.34/x
  3. Step 3: Cross multiply
    470,788.67x = 649,674.66 × 266,858.34
  4. Step 4: Simplify right side
    470,788.67x = 173,371,101,307.66
  5. Step 5: Solve for x
    x = 173,371,101,307.66/470,788.67
  6. Step 6: Final answer
    x = 368,256.74

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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.