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Finding the Fourth Proportional to 445,333.52, 614,585.64 and 264,152.72

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Solution

The fourth proportional to 445,333.52, 614,585.64 and 264,152.72 is: 364,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,333.52 : 614,585.64 = 264,152.72 : x
  2. Step 2: Convert to fraction form
    445,333.52/614,585.64 = 264,152.72/x
  3. Step 3: Cross multiply
    445,333.52x = 614,585.64 × 264,152.72
  4. Step 4: Simplify right side
    445,333.52x = 162,344,468,478.94
  5. Step 5: Solve for x
    x = 162,344,468,478.94/445,333.52
  6. Step 6: Final answer
    x = 364,545.81

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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.