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Finding the Fourth Proportional to 468,077.76, 645,900.48 and 264,110.40

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Solution

The fourth proportional to 468,077.76, 645,900.48 and 264,110.40 is: 364,445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,077.76 : 645,900.48 = 264,110.40 : x
  2. Step 2: Convert to fraction form
    468,077.76/645,900.48 = 264,110.40/x
  3. Step 3: Cross multiply
    468,077.76x = 645,900.48 × 264,110.40
  4. Step 4: Simplify right side
    468,077.76x = 170,589,034,132.99
  5. Step 5: Solve for x
    x = 170,589,034,132.99/468,077.76
  6. Step 6: Final answer
    x = 364,445.93

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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.