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Finding the Fourth Proportional to 445,664.70, 614,898.61 and 264,225.71

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Solution

The fourth proportional to 445,664.70, 614,898.61 and 264,225.71 is: 364,561.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,664.70 : 614,898.61 = 264,225.71 : x
  2. Step 2: Convert to fraction form
    445,664.70/614,898.61 = 264,225.71/x
  3. Step 3: Cross multiply
    445,664.70x = 614,898.61 × 264,225.71
  4. Step 4: Simplify right side
    445,664.70x = 162,472,022,681.95
  5. Step 5: Solve for x
    x = 162,472,022,681.95/445,664.70
  6. Step 6: Final answer
    x = 364,561.12

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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.