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Finding the Fourth Proportional to 366,925.10, 550,387.65 and 278,351.60

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Solution

The fourth proportional to 366,925.10, 550,387.65 and 278,351.60 is: 417,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,925.10 : 550,387.65 = 278,351.60 : x
  2. Step 2: Convert to fraction form
    366,925.10/550,387.65 = 278,351.60/x
  3. Step 3: Cross multiply
    366,925.10x = 550,387.65 × 278,351.60
  4. Step 4: Simplify right side
    366,925.10x = 153,201,282,997.74
  5. Step 5: Solve for x
    x = 153,201,282,997.74/366,925.10
  6. Step 6: Final answer
    x = 417,527.40

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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.