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Finding the Fourth Proportional to 580,662.76, 870,551.16 and 264,898.84

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Solution

The fourth proportional to 580,662.76, 870,551.16 and 264,898.84 is: 397,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,662.76 : 870,551.16 = 264,898.84 : x
  2. Step 2: Convert to fraction form
    580,662.76/870,551.16 = 264,898.84/x
  3. Step 3: Cross multiply
    580,662.76x = 870,551.16 × 264,898.84
  4. Step 4: Simplify right side
    580,662.76x = 230,607,992,444.65
  5. Step 5: Solve for x
    x = 230,607,992,444.65/580,662.76
  6. Step 6: Final answer
    x = 397,146.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.