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Finding the Fourth Proportional to 484,606.16, 668,751.56 and 266,807.96

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Solution

The fourth proportional to 484,606.16, 668,751.56 and 266,807.96 is: 368,192.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,606.16 : 668,751.56 = 266,807.96 : x
  2. Step 2: Convert to fraction form
    484,606.16/668,751.56 = 266,807.96/x
  3. Step 3: Cross multiply
    484,606.16x = 668,751.56 × 266,807.96
  4. Step 4: Simplify right side
    484,606.16x = 178,428,239,470.42
  5. Step 5: Solve for x
    x = 178,428,239,470.42/484,606.16
  6. Step 6: Final answer
    x = 368,192.26

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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.